ZIBO OKAYNVO CHEMICAL CO., LTD. is a large-scale manufacturer specialized in production of high quality non-toxic pvc calcium zinc stabilizers, its brand OKAYNVO.It is one of the integrated system for the global plastic additives application service provider.ZIBO OKAYNVO CHEMICAL CO.,LTD is located in the middle area of Shandong Province,China.We have 3 manufacturing facilities in Guangdong,Shandong and Hebei. Currently it has 3 main product series with an annual capacity as follows: 20,000 metr...