Qingdao Trustone Chemical Industry Co.,

  Qingdao Trustone Chemical Industry is a global leading supplier of rubber additives, adhesive agent, scorching retarder, parting vulcanizing resin etc., which provides service high quality for the world\'s industry.     The company\'s business covers more than 20 countries ...

Telephone：86-13969684359Address：No. 6 HongKong Middle Road, Qingdao, Shandong, China