About PT James Products Company
Manufacturing Reliable Rubber Expansion Joints for Industrial Piping Systems Since 1976
James Products Company is a specialised manufacturer of rubber expansion joints for industrial piping systems. Founded in 1976 with roots in Taiwan and manufacturing operations in Batam, Indonesia, we have supported OEM partners, distributors, and industrial clients across Asia, Europe, North America, Australia, and Africa for more than four decades.
We focus on delivering dependable, custom-engineered rubber expansion joint solutions designed to absorb vibration, reduce noise, and accommodate thermal movement in piping systems — helping our customers extend system life and reduce maintenance risks.
Our Mission
To manufacture reliable rubber expansion joints that support safe, efficient, and long-lasting industrial piping systems while building long-term partnerships through consistent quality and responsible manufacturing practices.
Our Vision
To be a trusted OEM-focused manufacturer of rubber expansion joints recognised for product reliability, technical integrity, and long-term customer partnerships across global industrial markets.
Who We Are
James Products Company was established to serve the growing demand for high-quality rubber expansion joints in industrial piping applications. Over the years, we have developed strong long-term partnerships with OEMs, distributors, and industrial end users who require consistent quality, reliable delivery, and practical engineering support.
Today, our manufacturing base in Batam, Indonesia supports export markets worldwide, while our engineering and production teams continue to refine processes to meet evolving technical and quality expectations.
We are not a mass-market supplier. We are an OEM-focused manufacturer built around customisation, repeatability, and long-term supply reliability.
What We Manufacture
We design and manufacture a full range of rubber expansion joints for industrial piping systems, including:
- Single sphere rubber expansion joints
- Double sphere rubber expansion joints
- Hand-built rubber expansion joints
- Custom-engineered expansion joints for OEM and special applications
Our products are commonly used for vibration isolation, thermal movement absorption, and noise reduction in piping systems serving water treatment, HVAC, industrial processing, power generation, and OEM equipment.
Materials & Compounding Capability
We work with a range of engineered elastomer compounds selected based on application conditions such as temperature, chemical exposure, and operating environment, including:
- EPDM — suitable for hot water, weathering, ozone, and general outdoor service
- Neoprene — suitable for moderate oil exposure and general industrial environments
- Nitrile (NBR) — suitable for oil and fuel-related service
- Hypalon (CSM) — suitable for chemical and weather resistance
- Chlorobutyl — suitable for gas and air service
- Viton (FKM) — suitable for high-temperature and aggressive chemical service
- SBR — suitable for general-purpose industrial use
Material selection is guided by application requirements, service media, temperature range, and expected operating conditions.
Manufacturing & Custom Capability
Our manufacturing processes are designed to support both standard and custom requirements, including:
- Rubber compounding and fabric reinforcement bonding
- Custom moulds and dimensional tailoring
- OEM-specific product configurations
- Repeatable production for long-term supply programs
We work closely with customers to adapt dimensions, materials, reinforcement, and end connections to meet project-specific or OEM design requirements.
Quality Assurance & Testing
Quality consistency is central to our manufacturing philosophy.
Our quality system operates under an ISO 9001 framework, and our production processes are structured to ensure traceability, dimensional control, and material consistency.
Our testing capabilities include:
- In-house hydrostatic pressure testing (performed upon customer request)
- Periodic third-party witnessing for product verification
- Routine production inspections and quality checks
These measures help ensure that products supplied to our customers meet agreed technical and quality expectations.
Who We Serve
We support a broad range of industrial customers, including:
- OEM equipment manufacturers
- Distributors and trading companies
- Industrial piping contractors
- End users in water treatment, HVAC, industrial processing, marine, and power generation sectors
Our customers value us for our responsiveness, practical engineering support, and long-term supply reliability.
Our Approach
We believe in building long-term partnerships rather than one-time transactions.
Our approach is based on:
- Practical engineering, not over-promising
- Transparent communication
- Consistent quality and documentation
- Reliable delivery performance
We aim to be a dependable manufacturing partner that our customers can rely on across multiple projects and product cycles.
Contact us
If you would like to discuss your application requirements, OEM projects, or quotation needs, our sales team will be pleased to assist you.