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 ZM440 Brake Chamber Manufacturers specializing in ZM440 Brake Chamber. It is a professional enterprise specializing in designing, manufacturing and selling commercial vehicle spare parts. We supply ZM440 Brake Chamber to many countries and regions in the world, and have been recognized and supported by our customers. As a ZM440 Brake Chamber 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.