Jiaxing Shengding Machinery Co., Ltd. originated from the core machinery team established by Sheng Zhonglin in 2003 and has gradually grown. It was re-registered and established in 2007. It is a famous J-Series Brake Chamber Wedge Manufacturers specializing in J-Series Brake Chamber Wedge. It is a professional enterprise specializing in designing, manufacturing and selling commercial vehicle spare parts. We supply J-Series Brake Chamber Wedge to many countries and regions in the world, and have been recognized and supported by our customers. As a J-Series Brake Chamber Wedge Factory, SAND has been adhering to the road of independent innovation for many years. All products are independently researched and developed, and new products are continuously introduced, becoming the first professional manufacturer of spring brake gas in the same industry in China.