Shiyan Daier Automobile Spare Part Co., Ltd. is a manufacturer and contract manufacturer of automotive braking systems and brake valve products, based in Shiyan, China. Established in 2008, the company employs 11 to 50 people and specializes in a wide range of auto parts, including Electricity & Electronics, Braking System, Universal Parts, Drivetrain, and Engine System components. They offer over 100 varieties of valve assemblies for Dongfeng Truck, Jiefang Truck, and other heavy vehicles. Key products include Clutch Boosters (such as Eq1208, Eq3208, Eq1230, Eq1290 models), Spring Brake Chambers, Air Dryers, Hand Brake Valves, Relay Valves, and Trailer Control Valves. The company operates a factory equipped with advanced manufacturing equipment, including 10 sets of NC machines, and has capabilities in die-casting, infiltration, shot peening, machining, assembly, and testing. Shiyan Daier Automobile Spare Part Co., Ltd. is certified with ISO 9001:2000, demonstrating its commitment to quality management. They are actively involved in international trade, supplying high-quality products to major distributors and receiving wide acclaim in the market.