... sale7.Professional supplier with many years’ experience Type: Air Brake Connector Place of Origin: Shandong, China (Mainland)Brand Name: Sinotruk , ... partsTruck Model: HOWO,STEYR,STEYR KING,HOWO, A7,Delong Q.How about your product quality? A:All our spare parts ... the TS16949 qualification certification, the quality is 100% guaranteed. Q. How about your company's service, especially after-sale service ...