GAP—A Professional ISO/TS16949: 2002 Certified Manufacturer of Truck Brake Parts—Where you can find TOP quality and MOST models of automatic slack adjusters, brake chambers and other truck brake parts with competitive prices from China! “GAPASA” is striving to become a worldwide brand name in the range of truck brake parts. Guangzhou Gap Auto Parts Co., Ltd., is a professional manufacturer and exporter of high-quality and competitive-price commercial vehicle brake parts. Our products mainly include slack adjusters (manual and automatic), spring brake chambers, air brake chambers, brake valves, brake shoes, cam shafts, bearing centre supports and other brake parts. We are supplying the clients who are TOP rankings in brake system in the world.