Inner Mongolia Shuangxin Environment-Friendly Material Co., Ltd. is a nationalhigh-tech enterprises, mainly engaged in producing chemical, chemical fiberproducts based on calcium carbide acetylene process , taking mature technology,advanced equipment, hi-technology, have Autonomous region level technical centerand enterprise product research and development center, with all kinds of excellentproduct, has passed ISO management system certification.Inner Mongolia Shuangxin Environment-Friendly Material Co., Ltd. mainlyproduces polyvinyl alcohol PVA, vinyl acetateVAC, acetaldehyde, methylacetate, polyvinyl alcohol (PVA) fiber, cement etc. We will provide excellentproducts and the best service for customers with all our hearts.2. Standard: