Ningbo Yinzhou Hengchuang Auto Parts Co.,Ltd is the sister enterprise of NINGBO YINZHOU HENXIN AUTO PARTS COMPANY ,Which was established in year of 2002. We have more than 15 years of experience in producing and supplying below products: A:tire valve for motorcycle/bicycle/truck/bus's tube like TR4/VAR25/TR78/TR545D/V3-20-6/V3-14-1/TR414,etc B: tire valve accessories like valve cap/core, etc C: tire repair tool like tire air inflation gauge, tire repair hand insert, tire repair cold patch,etc D: Wheel balance weight .stick and clip type ,Lead/zinc/steel material. Oz/gram type E; Pneumatic tool: like air impact wrench/air die drill/automatic screw driver. Certificate: ISO/TS16949 Every month we produce below quantity: Tube valve(like TR4/TR13/VAR28/TR78/JS75,etc) 5 millions/month Passenger car valve(like TR414,TR413,TR412.TR418 ,TR48E,etc) 2 millions/month Tubless type for truck and bus(like V3.20.6,V3.06.5,TR570,TR545,V3.14.1,TRJ650,etc) 1 million pcs/month Tire repair tooling(tire gauges,etc) 1 million pcs/month Valve accessories(valve cap,core,nut,etc) 5 million pcs/month Balance weight 100 Ton/ month Pneumatic tool: 5000 sets/month Our customer mainly are well-know brand inner tube makers and wheel makers in many countries. and after service marketing,and our product has been approved by many group of engineer and technician from inner tube and rim wheel makers around the world. For example: Hayze from Tukey,Sibur from Russia,Iran Yasa from Iran,Veeruuber from Thailand,etc Thus, we have 100% confidence to meet your demands. Our marketing are focusing on South East Asia: Thai, Indonesia, Malaysia, VietNam America, Canada Middle east: Dubai, Iran, Syria Russia, Ukrain Germany, Italy etc