We have been specializing in the manufacturing of valves and valve cores for over 45 years. With a registered capital of 16.8 million yuan, a production area of 60,000 square meters, and a building area of 37,000 square meters, our company has experienced rapid and continuous growth since the restructuring in 2007. We are fully equipped to produce high-quality products that meet international standards in terms of human resources, management, technical equipment, production processes, and supporting facilities. Our "Gaotian" tire valves are widely used for inner tubes, tubeless tires, and tire rims across various vehicle types. We currently produce multiple series of over 200 million valve sets annually, along with 8,000 tons of valve copper. Our quality management systems have been certified by renowned institutions, including the ISO/TS16949:2009 certification from ISR in November 2011, the ISO9001:2008 certification from Beijing Zhongrun Certification Co., Ltd. in September 2013, and the CE certification from National Quality Assurance (NQA) in March 2014. Here is the detailed specification for the TR414 model:
  • Model NO.: TR414
  • B: 49mm
  • Trademark: ROYAL BLACK
  • Specification: TR414
  • HS Code: 8701901190
  • a: 37.2mm
  • Rim Hole: 11.5
  • Transport Package: with Packages
  • Origin: Weifang, China
TR NO. A B RIM HOLE
TR412 22.2 34 11.5
TR413 30.2 42 11.5
TR414 37.2 49 11.5
TR415 30.2 42 15.9
Maximum Pressure: 475kPa If you would like to learn more about tire valves or need further assistance, feel free to contact us. We are always happy to help and provide detailed information to ensure you find the right product for your needs.

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Taizhou Langshun Trade Co.,ltd , https://www.longthinmachinery.com

August 17, 2025