日韩视频欧美视频丨漂亮少妇高潮伦理丨91爱看丨一区www丨国产国产久热这里只有精品

    Beijing Sanlian Hope Shin-gosen Technical Service Co.,Ltd.（in short for SLHP） is an outstanding technical service engineering contractor in Polyamide industry. Numbers of Polyamide technologies(including polycondensation & filament crafts) have been explored with SLHP fully engineering experience and owned tech. properties from 1999. Quality have been improved obviously under SLHP’s Know-How. Energy consumption in Polyamide production have been decreased significantly under SLHP’s R&D. SLHP is becoming the leader in Polyamide innovation industry and will explore bio-polyamide market in the future.