Shandong Huiyuan Building Materials Group Co., Ltd, which is the biggest and the founder of the bitumen waterproof producer, also one of the biggest comprehensive building materials in Shandong Province, China, with a wide range of building materials. Besides almost all kinds of bitumen waterproof materials, others are as wood industry products, for instance plywood, film face plywood, etc, and environment protection wall construction materials, for example our MG Fiberglass fireproof board, which has gained a extensive global sales.