Dear Sirs or Madam, Hebei Shenghua Chemical Industry Co.,Ltd is a majoy chinese manufacturer of PVC resin SG3-SG8 and ion membrane caustic soda and modified PVC resin such as cpvc and ACR-g-VC and Chlor-alkali by-products,fine chemical products and further produced products as plastic pannel,tubes,etc. welcome to inquiry and place orders with us.Best Regards,Angeal Cheng