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We are a manufacturer, and also have our own international sales department. We produce and sell all by ourselves.

We mainly produce pneumatic control valves for heavy‑duty truck transmissions, along with OEM (Original Equipment Manufacturer) services.

Our products fit heavy-duty transmission air control systems in commercial vehicles.

Yes, we can make customized products for customers in related industries. We can develop and produce products based on the drawings or samples provided by customers.

Yes, we produce standard high-precision shafts and bushings, with this capability supporting our transmission valve manufacturing.

We have a six-axis robotic production line for the production of transmission pneumatic control valves, and the daily capacity can reach 1,200 sets.

We have about 30 employees. Over 10 of them are professional technicians and engineers.

We are ISO9001 & IATF16949 certified. We follow standardized quality workflows with FMEA, SPC, complete lab testing and first-article, in-process & final inspections. Our OEM-origin production line uses proven tooling and processes: impregnated & anodized valve bodies with upgraded seals, plus automated production for consistent batches and fewer early failures. Same OEM specifications, no brand markup.

For bulk orders of newly developed products, we confirm trade terms like FOB, CIF, CNF when quoting. Mass orders require a 30% pre-production deposit and 70% balance against document copies; T/T is preferred and L/C is acceptable. These three transmission air control valves can be ordered directly from our new website store( www.tritpre.com/shop), with credit/debit card and PayPal payment supported. Tiered pricing and quarterly rebates are offered to maximize your benefits.

Single & small-batch orders ship from our Katy, TX warehouse: free shipping to the contiguous 48 US states, 3–5 day delivery.
Bulk orders are factory direct DDP shipments.
Non-US orders enjoy free factory-direct delivery with 7–10 day lead time.

Our products are mainly exported to the United States, Germany, Australia, and other countries.