WEIHAI RUNTONG have been specializing in the automotive rubber products industry for more than 40 years, and our main products include inner tubes, tire curing bladders, air springs and rubber track. We are a national high-tech enterprise that are certified to multinational Quality System Certifications like ISO 9001，IATF 16949, BIS and SNI and were honored as Manufacturing Individual Champion Of Shandong Province in 2019. We have built the famous trademarks WENFENG and SHENGRUN after years of development. Meanwhile, we provide services to many well-known tire enterprises at home and abroad such as Bridgestone, Pirelli, Goodyear, Continental, Cooper, Apollo, Zhongce Rubber, Linglong, Jin Yu, Aeolus, Double Star, Prinx Chengshan, etc., gaining wide acclaim and trust from our customers at home and abroad.hat are certified to multinational Quality System Certifications like ISO 9001，IATF 16949, BIS and SNI and were honored as Manufacturing Individual Champion Of Shandong Province in 2019. We have built the famous trademarks WENFENG and SHENGRUN after years of development. Meanwhile, we provide services to many well-known tire enterprises at home and abroad such as Bridgestone, Pirelli, Goodyear, Continental, Cooper, Apollo, Zhongce Rubber, Linglong, Jin Yu, Aeolus, Double Star, Prinx Chengshan, etc., gaining wide acclaim and trust from our customers at home and abroad.