Wujin District, Changzhou City, Jiangsu Wang Lin Haiyan Plastic Profile Factory is a modernized high-tech PVC plastic profile production enterprise, is a national private enterprises.

• 江苏常州市武进区横林海岩塑钢型材厂是一家现代化高科技的PVC塑料异型材生产企业，也是一家民族民营企业。