# N.S.-LIN Industrial Co., Ltd. (奕道實業有限公司) > Taiwan-based tire valve manufacturer with 40+ years of expertise. > ISO 9001:2015 certified. Products meet TRA (US), ETRTO (EU), JATMA (Japan) standards. > Headquarters: Tainan, Taiwan. Specializing in OEM/ODM valve manufacturing. ## Product Categories (detailed specs in linked files) - [Bicycle Tubeless Valves](https://nslin.com/llms/bicycle-tubeless-valve.txt): Presta & Schrader, valve caps, extenders, adapters, wrenches, reducers - [Motorcycle Valves](https://nslin.com/llms/motorcycle-valve.txt): 7 models for motorcycle applications - [Car & Light Truck Valves](https://nslin.com/llms/car-light-truck-valve.txt): 13 models, snap-in & clamp-in - [Truck & Bus Valves](https://nslin.com/llms/truck-bus-valve.txt): Heavy-duty valve solutions - [TPMS Sensor Valves](https://nslin.com/llms/tpms-sensor-valve.txt): 15 aftermarket TPMS sensor valve models - [Invisible Valves](https://nslin.com/llms/invisible-valve.txt): Aesthetic hidden-stem valve designs - [Large Bore Tractor Valves](https://nslin.com/llms/tractor-valve.txt): Agricultural and industrial equipment - [Truck Valve Extensions](https://nslin.com/llms/truck-valve-extension.txt): Extension solutions for dual wheels - [Industrial Valves](https://nslin.com/llms/industrial-valve.txt): Specialty industrial applications - [Special Valves & Caps](https://nslin.com/llms/special-valve-cap.txt): Security caps, pentagonal designs - [Alloy Lug Nuts](https://nslin.com/llms/alloy-lug-nuts.txt): 7075-T6 aluminum, 83,000 PSI tensile - [Rim Hole Plugs](https://nslin.com/llms/rim-hole-plug.txt): Rim hole sealing solutions - [Motorcycle Valve Extensions](https://nslin.com/llms/motorcycle-valve-extension.txt): Extension adapters ## Knowledge Hub - [Tire Valve Standards Guide: TRA vs ETRTO vs JATMA](https://nslin.com/guides/valve-standards): A comprehensive comparison of TRA, ETRTO, and JATMA tire valve standards — the three systems that govern global valve manufacturing. - [How Tubeless Tires Work: A Complete Guide to Tubeless Systems](https://nslin.com/guides/tubeless-basics): A comprehensive guide to tubeless tire systems — from how they seal without inner tubes to choosing the right valve and maintaining your setup. - [TPMS Valve Guide: Sensor Compatibility, Types & Replacement](https://nslin.com/guides/tpms-valve-guide): Everything tire shops and distributors need to know about TPMS sensor valves — from matching valve stems to sensor brands, to understanding when replacement is needed. - [Tire Valve Materials Guide: Brass, Aluminum, Zinc & Rubber](https://nslin.com/guides/valve-materials): A materials science guide to tire valve construction — why brass remains the standard, when aluminum makes sense, and how rubber compounds determine seal life. ## Company - [About](https://nslin.com/about): 40+ years of valve manufacturing expertise, ISO 9001:2015 - [Contact / RFQ](https://nslin.com/contact): Request for quote, sample requests, custom design inquiries ## FAQ - Q: What tire valve standards does N.S.-LIN comply with? A: TRA (US), ETRTO (EU), JATMA (Japan). All products are ISO 9001:2015 certified. - Q: Does N.S.-LIN offer custom/OEM valve development? A: Yes. We design and manufacture valves according to custom specifications. Submit requirements via our R&D form. - Q: Where is N.S.-LIN located? A: NO.65, Sec.4, Changhe Rd., Annan Dist., Tainan City 709-47, Taiwan. - Q: What materials does N.S.-LIN use for tire valves? A: EPDM rubber (Shore A 70+/-5), brass (plain or nickel-plated), and 7075-T6 aluminum alloy for specialty products.