Guanjia Trading Co., Ltd. is located in the largest professional environmentally friendly halogen-free flame retardant supply base -- Zibo City, Shandong Province, enjoying convenient transportation and rich natural resources. Our main products are flame retardant Zinc Borate with 3.5 or 7 crystal water & Nitrile Rubber Thermal Insulation Material (NBR/PVC) with levels of 0, B1 and B2.



3.5 water zinc borate and 7 water zinc borate is an environmentally friendly inorganic flame retardant; zinc borate is multi-functional synergistic additive and complete substitute of...