Tritenco specializes in the precision manufacturing of oe quality heavy-duty truck transmission pneumatic valves. Our core product line includes the a5000 slave valve, k3331 splitter valve, and a4740 air filter regulator, designed for reliable performance in global heavy-duty truck fleets. We also offer precision-machined components, high-precision valve stems and shafts, and custom mechanical base parts for industrial applications, all manufactured to strict quality standards with factory-direct pricing.

Tritenco is the specialized brand of Zhuji Caiteng Machinery Manufacturing Co., Ltd., focusing on the R&D and production of oe-equivalent pneumatic control valves for heavy-duty transmissions. With our IATF 16949-certified quality system, we deliver micron-level precision machining and strict geometric tolerance control to ensure every Tritenco valve meets strict performance standards. Our core product line includes the a5000 slave valve, k3331 splitter valve kit, and a4740 air filter regulator, designed for reliable performance in commercial vehicles and heavy-duty equipment. As a dedicated manufacturer, we support global customers with factory-direct pricing, stable supply chains, and tailored solutions for their transmission system needs.

Welcome to Tritenco’s news center. Here you can find the latest updates on our new products, manufacturing developments, industry participation, and technical insights related to heavy-duty truck transmission valves. Stay tuned for announcements about our oe-quality components, including the a5000 slave valve, k3331 splitter valve kit, and a4740 air filter regulator, as well as updates on our production capabilities and quality improvements.