Langfang Wanda Industrial Co., Ltd. specializes in producing comprehensive chemical products and heat-preserving building materials. We have our own R&D center and processing plant in Quancun Industrial Zone in Langfang and. They cover an area of 28,000 square meters with a total investment of 700 million US dollars. Equipped with the most advanced facilities and technology in China, our company has many senior technicians and top management talents. We are one of the leading key ...