Shiyan Daier Automobile Spare Part Co., Ltd. is a professional manufacturer and seller of automotive braking systems and Brake Valve products for three major series of Dongfeng Truck, Jiefang Truck and Heavy vehicles, and valve assemblies. Our products contain more than 100 varieties, including Spring Brake Chambers, Clutch Boosters, Air Dryers, Brake Valves, Relay Valves, Hand Brake Valves, Unloader Valves, Quick Release Valves, and Spring Coils. We adhere to the "Fine work, Excellent quality" business philosophy. Our company is on the strength of a powerful technical team and advanced manufacturing equipment. We take "All the products are of high-quality and integrity of character" as our culture, so that our company has developed by leaps and bounds. At present, products from our company and major distributors supplied in the market get wide acclaim and recognition.