Profile: Rong Zheng Mold (HK) Co., Ltd. specializes in the custom manufacture of plastic injection molds. We are an ISO 9001:2000 certified company. We are engaged in engineering & technical support, prototyping, mold making, plastic injection manufacturing, surface treatment and assembly. We can also process various metal materials such as aluminum and zinc alloy. We make various molds from small precision molds to large volume part injection molds, including electrical appliance products, automotive, medical, and daily necessities. We are specialized in scanning, R&D, mold fabrication, and molding & forming. Our services include designing & engineering, plastic injection, blowing, die casting, aluminum, injection and blow molding.