Liaoning Shuangqiang Plastic Industry Development Co., Ltd. is a high-tech environmental protection enterprise that integrates scientific research, production and sales. Taking Shuangguan brand, Shuangyi brand, Diwei brand and Savergy brand as its support, the company mainly commits itself to the production and sales, technical development and transfer etc. service of silicone, butyl, polysulfide elastomeric sealant, insulating glass spacer, EPDM sealing strip,insulating glass production ...