Langfang yi building materials co., LTD., specializing in construction, sound absorption, insulation materials production and sales, professional to provide building external wall thermal insulation material, condole carries on the sound-absorbing material, the company was founded in 2008, after years of accumulation, the company has grown to set: research and development, production, sales and service as one integrated company. Companies pay attention to production, fluctuate more in service, in line with the aim of making friends first, then business service each customer, full-service customers to achieve win-win. We sell is not products, it is our own, adhere to honesty and integrity in business activities, profitable customer success is our ultimate goal. Welcome new and old friends to patronize.