2012.12established Shanghai RongYan Trading Co.,Ltd

2010.7invested & established GuangDe FuYan Rubber Plastic
Co.,Ltd

2008.5established Shanghai PengYan Mining Safety Equipment
Co.,Ltd

2005.6established Shanghai FuYan Rubber Plastic Co., Ltd

2005.3established Shanghai SheYan Trading Co., Ltd

1996.8invested & established Shanghai YingYan Industrial 　　　Co.,Ltd

1992.6established Shanghai MaXing Rubber Plastic Products
Co.,Ltd

1991.3established Shanghai Star Rubber Products Co.,Ltd