Wan Xi Building Materials Co., Ltd. Shandong Weifang Changle, in the famous hometown of Changle County, sapphire Liu Zhen Zhu, a professional production and management of new insulation materials, joint-stock enterprise, was founded in 1986. Main Products: rock wool and mineral wool products, glass wool products, aluminum products, more than ten years of production history, quality, variety, recently the company has invested more than 100 million yuan, the new advanced large-scale rock Cotton board production lines with annual output capacity of 60,000 cubic meters, is the only production mechanism of Shandong Province, board manufacturers. Domestic counterparts in the production scale, technology and equipment, all of the leading economic benefits.