Steel Drum Closures | Premium Industrial Sealing Solutions

About Hangzhou Tongchang Metal Products Co., Ltd

Established in 2007 and located in Hangzhou Xiaoshan District Yiqiao Town Industrial Park, we are a leading manufacturer specializing in metal packaging drum sealing solutions. With over 15 years of experience, we have built a reputation for quality, innovation, and customer-focused service.

Our business philosophy: "Quality for survival, credibility to expand the market." This drives every product we design and deliver.

15+

Years in Industry

20+

Provinces Served

ISO 9001

Certified Quality

Global

Exports

Our Product Range

From standard closures to custom-engineered solutions, we offer a comprehensive range of steel drum sealing products with advanced surface treatments and high-performance sealing materials.

Six-Color Electroplated Closure

Corrosion-resistant finish with vibrant color coding for easy identification. Ideal for chemical and industrial applications.

• Zinc alloy base
• Hexagonal design
• PE or EPDM seal option

Three-Color Electroplated Closure

Durable plating with three distinct color options. Designed for moderate exposure environments.

• Nickel-chrome finish
• Standard 2" bung size
• Butadiene rubber seal

PVF Coated Closure

Polyvinyl fluoride coating provides superior chemical resistance and UV protection.

• Anti-static properties
• Food-grade compatible
• Composite rubber ring

EPF Epoxy Closure

Epoxy powder coating ensures long-term durability in harsh industrial conditions.

• High impact resistance
• Thermal stability
• Tetrafluoride seal option

Stainless Steel Closure

Made from 304 or 201 stainless steel for maximum corrosion resistance and longevity.

• 304/201 SS options
• Ideal for marine use
• EPDM or composite seal

Leakproof Cover

Engineered for zero leakage under pressure. Perfect for hazardous material containment.

• Double-seal design
• Pressure tested
• Custom torque specs

Spray Line Special Cover

Designed for automated filling and sealing lines. Ensures consistent application.

• Automation compatible
• Quick-release design
• PE plastic seal

Custom Closure Solutions

We design and develop specialized closures for unique specifications and industrial uses.

• OEM/ODM supported
• Rapid prototyping
• Full R&D team

Why Choose Our Closures?

We solve the common challenges in industrial procurement with innovation, quality control, and dedicated service.

ISO 9001 Certified

Compliant with GB/T19001-2016 / ISO9001:2015 quality management standards.

Full R&D Capability

In-house design and development team for custom and specialized closures.

Fast Turnaround

Streamlined production and logistics reduce procurement cycles significantly.

Diverse Categories

Comprehensive product line with options for every industrial need.

Frequently Asked Questions

What materials are used in your steel drum closures?

Our closures are made from high-quality cold-rolled steel, aluminum, 304 stainless steel, and 201 stainless steel, depending on customer requirements and application environments.

What types of sealing rings do you offer?

We use PE plastic, EPDM, butadiene rubber, tetrafluoride, and composite rubber rings to meet various chemical, temperature, and pressure requirements.

Can you produce custom-sized or specialized closures?

Yes, we offer full OEM/ODM services and can design and develop custom closures for special specifications, including leakproof covers and spray line-specific models.

Are your products certified for international standards?

Yes, we are certified under GB/T19001-2016 / ISO9001:2015 quality management system standards, ensuring consistent product quality and reliability.

Which countries do you export to?

We export to the United States, South Korea, Russia, and other regions globally, maintaining long-term partnerships with well-known enterprises.

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Premium Steel Drum Closures for Industrial Excellence