Resin Market Analysis and Forecast to 2035: Type, Product, Application, Technology, Form, Material Type, End User, Component, Functionality

Description

Resin Market is anticipated to expand from $723.8 billion in 2024 to $1,123.5 billion by 2034, growing at a CAGR of approximately 4.5%. The Resin Market encompasses synthetic and natural polymers used in various industries, including automotive, construction, and electronics. Resins serve as essential components in adhesives, coatings, and composites, offering durability and versatility. The market is driven by advancements in polymer technology and increasing demand for lightweight, high-performance materials. Sustainability and eco-friendly resins are emerging trends, reflecting a shift towards greener solutions in manufacturing processes.

The Resin Market is experiencing robust growth, driven by rising demand across various industries such as automotive, construction, and packaging. Thermoplastic resins are the top-performing segment, with polypropylene and polyethylene leading due to their versatility and recyclability. Epoxy resins, known for their strong adhesive properties and resistance to environmental degradation, are the second-highest performing sub-segment, particularly in the aerospace and electronics industries.

Market Segmentation
Type	Thermoplastic, Thermosetting, Bio-based, Engineering, Commodity, Specialty, Epoxy, Polyester, Polyurethane
Product	Polyethylene, Polypropylene, Polyvinyl Chloride, Polystyrene, Polyethylene Terephthalate, Acrylonitrile Butadiene Styrene, Nylon, Polycarbonate, Acrylic
Application	Packaging, Construction, Automotive, Electrical and Electronics, Textiles, Adhesives, Paints and Coatings, Medical Devices, Consumer Goods
Technology	Injection Molding, Blow Molding, Extrusion, 3D Printing, Compression Molding, Transfer Molding, Rotational Molding, Casting, Thermoforming
Form	Granules, Powder, Liquid, Pellets, Sheets, Films, Foams, Fibers
Material Type	Synthetic, Natural, Recycled, Virgin, Biodegradable, Non-biodegradable, Conductive, Non-conductive
End User	Automotive and Transportation, Building and Construction, Electrical and Electronics, Healthcare, Packaging, Industrial, Consumer Goods, Agriculture
Component	Base Resin, Additives, Fillers, Reinforcements, Stabilizers, Plasticizers, Colorants, Catalysts
Functionality	Flame Retardant, UV Resistant, Chemical Resistant, Impact Resistant, Heat Resistant, Waterproof, Transparent, Opaque

The thermosetting resin segment also shows promising growth, with phenolic resins gaining traction for their fire-resistant properties. Polyurethane resins follow closely, favored for their flexibility and durability in coatings and adhesives. Innovations in bio-based resins are emerging as a significant trend, driven by sustainability goals and regulatory pressures. This shift towards eco-friendly alternatives is expected to open new avenues for growth. The ongoing advancements in resin technology and applications are set to enhance market dynamics, presenting lucrative opportunities for industry players.

The resin market is characterized by a dynamic distribution of market share, influenced by competitive pricing strategies and innovative product launches. Leading companies are continuously enhancing their portfolios with advanced resin solutions to meet diverse industrial needs. New product introductions are pivotal, driving market evolution and catering to specific applications across sectors such as automotive, construction, and electronics. The emphasis on sustainability and performance efficiency is reshaping the landscape, with manufacturers focusing on eco-friendly and high-performance resins to capitalize on emerging opportunities.

Competition in the resin market is intense, with key players striving to gain a competitive edge through strategic alliances and R&D investments. Benchmarking reveals that industry leaders are prioritizing technological advancements to maintain their market positions. Regulatory influences, particularly in Europe and North America, are critical, with stringent environmental regulations shaping production processes and product formulations. The market is witnessing a shift towards bio-based resins, driven by regulatory mandates and consumer demand for sustainable materials, presenting both challenges and growth prospects.

Tariff Impact:

The global resin market is intricately influenced by tariffs, geopolitical tensions, and evolving supply chains. In Japan and South Korea, reliance on imported raw materials has led to strategic investments in domestic resin production to mitigate tariff impacts. China's focus on self-sufficiency is evident as it accelerates the development of indigenous resin technologies amidst trade tensions. Taiwan, a key player in resin manufacturing, navigates geopolitical risks with strategic alliances. Globally, the resin market is robust, driven by demand in automotive, electronics, and packaging sectors, with expectations of significant growth by 2035. However, Middle Eastern conflicts pose risks to energy prices, affecting resin production costs. As such, diversification of supply chains and regional collaborations are crucial for future resilience and growth.

Geographical Overview:

The resin market is witnessing notable expansion across diverse regions, each exhibiting unique growth dynamics. Asia Pacific leads the market, driven by rapid industrialization and increasing demand from automotive and construction sectors. China and India are at the forefront, with substantial investments in infrastructure and manufacturing.

North America follows, with a focus on high-performance resins for advanced applications in aerospace and electronics industries. The region's technological advancements and environmental regulations are fostering innovation in bio-based resins. Europe is also experiencing growth, particularly in sustainable and eco-friendly resin solutions.

Germany and France are leading this trend, emphasizing green technologies and circular economy principles. Latin America and the Middle East & Africa are emerging as promising markets. Brazil and Saudi Arabia are investing in resin production facilities to cater to growing domestic and regional demand. These regions are poised to become significant players in the global resin market landscape.

Key Trends and Drivers:

The resin market is experiencing robust growth driven by advancements in technology and increased demand across various industries. One of the key trends is the rising adoption of bio-based resins, as sustainability becomes a priority for manufacturers. These eco-friendly alternatives are gaining traction due to their reduced environmental impact and compatibility with existing manufacturing processes. Furthermore, the automotive and aerospace sectors are increasingly utilizing lightweight resin materials to enhance fuel efficiency and reduce emissions, spurring market expansion.

Another significant driver is the burgeoning construction industry, which is leveraging resin-based products for their durability and versatility. The shift towards urbanization and infrastructure development is propelling demand for high-performance resins in applications such as coatings, adhesives, and sealants. Additionally, the electronics sector is witnessing a surge in resin use, particularly in encapsulation and insulation, as it seeks to meet the rising demand for miniaturized electronic components.

The packaging industry is also contributing to the resin market's growth, with innovations focusing on improving barrier properties and recyclability. As consumer preferences shift towards sustainable packaging solutions, companies are investing in research and development to create advanced resin formulations. Opportunities abound for players who can offer innovative, cost-effective, and environmentally friendly resin solutions to cater to these evolving market demands.

Research Scope:

Estimates and forecasts the overall market size across type, application, and region.
Provides detailed information and key takeaways on qualitative and quantitative trends, dynamics, business framework, competitive landscape, and company profiling.
Identifies factors influencing market growth and challenges, opportunities, drivers, and restraints.
Identifies factors that could limit company participation in international markets to help calibrate market share expectations and growth rates.
Evaluates key development strategies like acquisitions, product launches, mergers, collaborations, business expansions, agreements, partnerships, and R&D activities.
Analyzes smaller market segments strategically, focusing on their potential, growth patterns, and impact on the overall market.
Outlines the competitive landscape, assessing business and corporate strategies to monitor and dissect competitive advancements.

Our research scope provides comprehensive market data, insights, and analysis across a variety of critical areas. We cover Local Market Analysis, assessing consumer demographics, purchasing behaviors, and market size within specific regions to identify growth opportunities. Our Local Competition Review offers a detailed evaluation of competitors, including their strengths, weaknesses, and market positioning. We also conduct Local Regulatory Reviews to ensure businesses comply with relevant laws and regulations. Industry Analysis provides an in-depth look at market dynamics, key players, and trends. Additionally, we offer Cross-Segmental Analysis to identify synergies between different market segments, as well as Production-Consumption and Demand-Supply Analysis to optimize supply chain efficiency. Our Import-Export Analysis helps businesses navigate global trade environments by evaluating trade flows and policies. These insights empower clients to make informed strategic decisions, mitigate risks, and capitalize on market opportunities.

Product Code: GIS22148

1 Executive Summary

1.1 Market Size and Forecast
1.2 Market Overview
1.3 Market Snapshot
1.4 Regional Snapshot
1.5 Strategic Recommendations
1.6 Analyst Notes

2 Market Highlights

2.1 Key Market Highlights by Type
2.2 Key Market Highlights by Product
2.3 Key Market Highlights by Application
2.4 Key Market Highlights by Technology
2.5 Key Market Highlights by Form
2.6 Key Market Highlights by Material Type
2.7 Key Market Highlights by End User
2.8 Key Market Highlights by Component
2.9 Key Market Highlights by Functionality

3 Market Dynamics

3.1 Macroeconomic Analysis
3.2 Market Trends
3.3 Market Drivers
3.4 Market Opportunities
3.5 Market Restraints
3.6 CAGR Growth Analysis
3.7 Impact Analysis
3.8 Emerging Markets
3.9 Technology Roadmap
3.10 Strategic Frameworks
- 3.10.1 PORTER's 5 Forces Model
- 3.10.2 ANSOFF Matrix
- 3.10.3 4P's Model
- 3.10.4 PESTEL Analysis

4 Segment Analysis

4.1 Market Size & Forecast by Type (2020-2035)
- 4.1.1 Thermoplastic
- 4.1.2 Thermosetting
- 4.1.3 Bio-based
- 4.1.4 Engineering
- 4.1.5 Commodity
- 4.1.6 Specialty
- 4.1.7 Epoxy
- 4.1.8 Polyester
- 4.1.9 Polyurethane
4.2 Market Size & Forecast by Product (2020-2035)
- 4.2.1 Polyethylene
- 4.2.2 Polypropylene
- 4.2.3 Polyvinyl Chloride
- 4.2.4 Polystyrene
- 4.2.5 Polyethylene Terephthalate
- 4.2.6 Acrylonitrile Butadiene Styrene
- 4.2.7 Nylon
- 4.2.8 Polycarbonate
- 4.2.9 Acrylic
4.3 Market Size & Forecast by Application (2020-2035)
- 4.3.1 Packaging
- 4.3.2 Construction
- 4.3.3 Automotive
- 4.3.4 Electrical and Electronics
- 4.3.5 Textiles
- 4.3.6 Adhesives
- 4.3.7 Paints and Coatings
- 4.3.8 Medical Devices
- 4.3.9 Consumer Goods
4.4 Market Size & Forecast by Technology (2020-2035)
- 4.4.1 Injection Molding
- 4.4.2 Blow Molding
- 4.4.3 Extrusion
- 4.4.4 3D Printing
- 4.4.5 Compression Molding
- 4.4.6 Transfer Molding
- 4.4.7 Rotational Molding
- 4.4.8 Casting
- 4.4.9 Thermoforming
4.5 Market Size & Forecast by Form (2020-2035)
- 4.5.1 Granules
- 4.5.2 Powder
- 4.5.3 Liquid
- 4.5.4 Pellets
- 4.5.5 Sheets
- 4.5.6 Films
- 4.5.7 Foams
- 4.5.8 Fibers
4.6 Market Size & Forecast by Material Type (2020-2035)
- 4.6.1 Synthetic
- 4.6.2 Natural
- 4.6.3 Recycled
- 4.6.4 Virgin
- 4.6.5 Biodegradable
- 4.6.6 Non-biodegradable
- 4.6.7 Conductive
- 4.6.8 Non-conductive
4.7 Market Size & Forecast by End User (2020-2035)
- 4.7.1 Automotive and Transportation
- 4.7.2 Building and Construction
- 4.7.3 Electrical and Electronics
- 4.7.4 Healthcare
- 4.7.5 Packaging
- 4.7.6 Industrial
- 4.7.7 Consumer Goods
- 4.7.8 Agriculture
4.8 Market Size & Forecast by Component (2020-2035)
- 4.8.1 Base Resin
- 4.8.2 Additives
- 4.8.3 Fillers
- 4.8.4 Reinforcements
- 4.8.5 Stabilizers
- 4.8.6 Plasticizers
- 4.8.7 Colorants
- 4.8.8 Catalysts
4.9 Market Size & Forecast by Functionality (2020-2035)
- 4.9.1 Flame Retardant
- 4.9.2 UV Resistant
- 4.9.3 Chemical Resistant
- 4.9.4 Impact Resistant
- 4.9.5 Heat Resistant
- 4.9.6 Waterproof
- 4.9.7 Transparent
- 4.9.8 Opaque

5 Regional Analysis

5.1 Global Market Overview
5.2 North America Market Size (2020-2035)
- 5.2.1 United States
  - 5.2.1.1 Type
  - 5.2.1.2 Product
  - 5.2.1.3 Application
  - 5.2.1.4 Technology
  - 5.2.1.5 Form
  - 5.2.1.6 Material Type
  - 5.2.1.7 End User
  - 5.2.1.8 Component
  - 5.2.1.9 Functionality
- 5.2.2 Canada
  - 5.2.2.1 Type
  - 5.2.2.2 Product
  - 5.2.2.3 Application
  - 5.2.2.4 Technology
  - 5.2.2.5 Form
  - 5.2.2.6 Material Type
  - 5.2.2.7 End User
  - 5.2.2.8 Component
  - 5.2.2.9 Functionality
- 5.2.3 Mexico
  - 5.2.3.1 Type
  - 5.2.3.2 Product
  - 5.2.3.3 Application
  - 5.2.3.4 Technology
  - 5.2.3.5 Form
  - 5.2.3.6 Material Type
  - 5.2.3.7 End User
  - 5.2.3.8 Component
  - 5.2.3.9 Functionality
5.3 Latin America Market Size (2020-2035)
- 5.3.1 Brazil
  - 5.3.1.1 Type
  - 5.3.1.2 Product
  - 5.3.1.3 Application
  - 5.3.1.4 Technology
  - 5.3.1.5 Form
  - 5.3.1.6 Material Type
  - 5.3.1.7 End User
  - 5.3.1.8 Component
  - 5.3.1.9 Functionality
- 5.3.2 Argentina
  - 5.3.2.1 Type
  - 5.3.2.2 Product
  - 5.3.2.3 Application
  - 5.3.2.4 Technology
  - 5.3.2.5 Form
  - 5.3.2.6 Material Type
  - 5.3.2.7 End User
  - 5.3.2.8 Component
  - 5.3.2.9 Functionality
- 5.3.3 Rest of Latin America
  - 5.3.3.1 Type
  - 5.3.3.2 Product
  - 5.3.3.3 Application
  - 5.3.3.4 Technology
  - 5.3.3.5 Form
  - 5.3.3.6 Material Type
  - 5.3.3.7 End User
  - 5.3.3.8 Component
  - 5.3.3.9 Functionality
5.4 Asia-Pacific Market Size (2020-2035)
- 5.4.1 China
  - 5.4.1.1 Type
  - 5.4.1.2 Product
  - 5.4.1.3 Application
  - 5.4.1.4 Technology
  - 5.4.1.5 Form
  - 5.4.1.6 Material Type
  - 5.4.1.7 End User
  - 5.4.1.8 Component
  - 5.4.1.9 Functionality
- 5.4.2 India
  - 5.4.2.1 Type
  - 5.4.2.2 Product
  - 5.4.2.3 Application
  - 5.4.2.4 Technology
  - 5.4.2.5 Form
  - 5.4.2.6 Material Type
  - 5.4.2.7 End User
  - 5.4.2.8 Component
  - 5.4.2.9 Functionality
- 5.4.3 South Korea
  - 5.4.3.1 Type
  - 5.4.3.2 Product
  - 5.4.3.3 Application
  - 5.4.3.4 Technology
  - 5.4.3.5 Form
  - 5.4.3.6 Material Type
  - 5.4.3.7 End User
  - 5.4.3.8 Component
  - 5.4.3.9 Functionality
- 5.4.4 Japan
  - 5.4.4.1 Type
  - 5.4.4.2 Product
  - 5.4.4.3 Application
  - 5.4.4.4 Technology
  - 5.4.4.5 Form
  - 5.4.4.6 Material Type
  - 5.4.4.7 End User
  - 5.4.4.8 Component
  - 5.4.4.9 Functionality
- 5.4.5 Australia
  - 5.4.5.1 Type
  - 5.4.5.2 Product
  - 5.4.5.3 Application
  - 5.4.5.4 Technology
  - 5.4.5.5 Form
  - 5.4.5.6 Material Type
  - 5.4.5.7 End User
  - 5.4.5.8 Component
  - 5.4.5.9 Functionality
- 5.4.6 Taiwan
  - 5.4.6.1 Type
  - 5.4.6.2 Product
  - 5.4.6.3 Application
  - 5.4.6.4 Technology
  - 5.4.6.5 Form
  - 5.4.6.6 Material Type
  - 5.4.6.7 End User
  - 5.4.6.8 Component
  - 5.4.6.9 Functionality
- 5.4.7 Rest of APAC
  - 5.4.7.1 Type
  - 5.4.7.2 Product
  - 5.4.7.3 Application
  - 5.4.7.4 Technology
  - 5.4.7.5 Form
  - 5.4.7.6 Material Type
  - 5.4.7.7 End User
  - 5.4.7.8 Component
  - 5.4.7.9 Functionality
5.5 Europe Market Size (2020-2035)
- 5.5.1 Germany
  - 5.5.1.1 Type
  - 5.5.1.2 Product
  - 5.5.1.3 Application
  - 5.5.1.4 Technology
  - 5.5.1.5 Form
  - 5.5.1.6 Material Type
  - 5.5.1.7 End User
  - 5.5.1.8 Component
  - 5.5.1.9 Functionality
- 5.5.2 France
  - 5.5.2.1 Type
  - 5.5.2.2 Product
  - 5.5.2.3 Application
  - 5.5.2.4 Technology
  - 5.5.2.5 Form
  - 5.5.2.6 Material Type
  - 5.5.2.7 End User
  - 5.5.2.8 Component
  - 5.5.2.9 Functionality
- 5.5.3 United Kingdom
  - 5.5.3.1 Type
  - 5.5.3.2 Product
  - 5.5.3.3 Application
  - 5.5.3.4 Technology
  - 5.5.3.5 Form
  - 5.5.3.6 Material Type
  - 5.5.3.7 End User
  - 5.5.3.8 Component
  - 5.5.3.9 Functionality
- 5.5.4 Spain
  - 5.5.4.1 Type
  - 5.5.4.2 Product
  - 5.5.4.3 Application
  - 5.5.4.4 Technology
  - 5.5.4.5 Form
  - 5.5.4.6 Material Type
  - 5.5.4.7 End User
  - 5.5.4.8 Component
  - 5.5.4.9 Functionality
- 5.5.5 Italy
  - 5.5.5.1 Type
  - 5.5.5.2 Product
  - 5.5.5.3 Application
  - 5.5.5.4 Technology
  - 5.5.5.5 Form
  - 5.5.5.6 Material Type
  - 5.5.5.7 End User
  - 5.5.5.8 Component
  - 5.5.5.9 Functionality
- 5.5.6 Rest of Europe
  - 5.5.6.1 Type
  - 5.5.6.2 Product
  - 5.5.6.3 Application
  - 5.5.6.4 Technology
  - 5.5.6.5 Form
  - 5.5.6.6 Material Type
  - 5.5.6.7 End User
  - 5.5.6.8 Component
  - 5.5.6.9 Functionality
5.6 Middle East & Africa Market Size (2020-2035)
- 5.6.1 Saudi Arabia
  - 5.6.1.1 Type
  - 5.6.1.2 Product
  - 5.6.1.3 Application
  - 5.6.1.4 Technology
  - 5.6.1.5 Form
  - 5.6.1.6 Material Type
  - 5.6.1.7 End User
  - 5.6.1.8 Component
  - 5.6.1.9 Functionality
- 5.6.2 United Arab Emirates
  - 5.6.2.1 Type
  - 5.6.2.2 Product
  - 5.6.2.3 Application
  - 5.6.2.4 Technology
  - 5.6.2.5 Form
  - 5.6.2.6 Material Type
  - 5.6.2.7 End User
  - 5.6.2.8 Component
  - 5.6.2.9 Functionality
- 5.6.3 South Africa
  - 5.6.3.1 Type
  - 5.6.3.2 Product
  - 5.6.3.3 Application
  - 5.6.3.4 Technology
  - 5.6.3.5 Form
  - 5.6.3.6 Material Type
  - 5.6.3.7 End User
  - 5.6.3.8 Component
  - 5.6.3.9 Functionality
- 5.6.4 Sub-Saharan Africa
  - 5.6.4.1 Type
  - 5.6.4.2 Product
  - 5.6.4.3 Application
  - 5.6.4.4 Technology
  - 5.6.4.5 Form
  - 5.6.4.6 Material Type
  - 5.6.4.7 End User
  - 5.6.4.8 Component
  - 5.6.4.9 Functionality
- 5.6.5 Rest of MEA
  - 5.6.5.1 Type
  - 5.6.5.2 Product
  - 5.6.5.3 Application
  - 5.6.5.4 Technology
  - 5.6.5.5 Form
  - 5.6.5.6 Material Type
  - 5.6.5.7 End User
  - 5.6.5.8 Component
  - 5.6.5.9 Functionality

6 Market Strategy

6.1 Demand-Supply Gap Analysis
6.2 Trade & Logistics Constraints
6.3 Price-Cost-Margin Trends
6.4 Market Penetration
6.5 Consumer Analysis
6.6 Regulatory Snapshot

7 Competitive Intelligence

7.1 Market Positioning
7.2 Market Share
7.3 Competition Benchmarking
7.4 Top Company Strategies

8 Company Profiles

8.1 Hexion
- 8.1.1 Overview
- 8.1.2 Product Summary
- 8.1.3 Financial Performance
- 8.1.4 SWOT Analysis
8.2 AOC
- 8.2.1 Overview
- 8.2.2 Product Summary
- 8.2.3 Financial Performance
- 8.2.4 SWOT Analysis
8.3 Reichhold
- 8.3.1 Overview
- 8.3.2 Product Summary
- 8.3.3 Financial Performance
- 8.3.4 SWOT Analysis
8.4 INEOS Composites
- 8.4.1 Overview
- 8.4.2 Product Summary
- 8.4.3 Financial Performance
- 8.4.4 SWOT Analysis
8.5 SABIC Innovative Plastics
- 8.5.1 Overview
- 8.5.2 Product Summary
- 8.5.3 Financial Performance
- 8.5.4 SWOT Analysis
8.6 Polynt- Reichhold
- 8.6.1 Overview
- 8.6.2 Product Summary
- 8.6.3 Financial Performance
- 8.6.4 SWOT Analysis
8.7 Allnex
- 8.7.1 Overview
- 8.7.2 Product Summary
- 8.7.3 Financial Performance
- 8.7.4 SWOT Analysis
8.8 DIC Corporation
- 8.8.1 Overview
- 8.8.2 Product Summary
- 8.8.3 Financial Performance
- 8.8.4 SWOT Analysis
8.9 Mitsubishi Chemical Corporation
- 8.9.1 Overview
- 8.9.2 Product Summary
- 8.9.3 Financial Performance
- 8.9.4 SWOT Analysis
8.10 Evonik Industries
- 8.10.1 Overview
- 8.10.2 Product Summary
- 8.10.3 Financial Performance
- 8.10.4 SWOT Analysis
8.11 Ashland Global Holdings
- 8.11.1 Overview
- 8.11.2 Product Summary
- 8.11.3 Financial Performance
- 8.11.4 SWOT Analysis
8.12 Arkema Group
- 8.12.1 Overview
- 8.12.2 Product Summary
- 8.12.3 Financial Performance
- 8.12.4 SWOT Analysis
8.13 Royal DSM
- 8.13.1 Overview
- 8.13.2 Product Summary
- 8.13.3 Financial Performance
- 8.13.4 SWOT Analysis
8.14 Synthomer
- 8.14.1 Overview
- 8.14.2 Product Summary
- 8.14.3 Financial Performance
- 8.14.4 SWOT Analysis
8.15 Perstorp
- 8.15.1 Overview
- 8.15.2 Product Summary
- 8.15.3 Financial Performance
- 8.15.4 SWOT Analysis
8.16 Huntsman Corporation
- 8.16.1 Overview
- 8.16.2 Product Summary
- 8.16.3 Financial Performance
- 8.16.4 SWOT Analysis
8.17 Kraton Corporation
- 8.17.1 Overview
- 8.17.2 Product Summary
- 8.17.3 Financial Performance
- 8.17.4 SWOT Analysis
8.18 Olin Corporation
- 8.18.1 Overview
- 8.18.2 Product Summary
- 8.18.3 Financial Performance
- 8.18.4 SWOT Analysis
8.19 Hexion Specialty Chemicals
- 8.19.1 Overview
- 8.19.2 Product Summary
- 8.19.3 Financial Performance
- 8.19.4 SWOT Analysis
8.20 Scott Bader
- 8.20.1 Overview
- 8.20.2 Product Summary
- 8.20.3 Financial Performance
- 8.20.4 SWOT Analysis

9 About Us

9.1 About Us
9.2 Research Methodology
9.3 Research Workflow
9.4 Consulting Services
9.5 Our Clients
9.6 Client Testimonials
9.7 Contact Us