... break when bend,no impurity 4.delivery time 10-20 Electrical equipment & supplies of pvc trunking. Product Introduction: Songsu pvc trunking ... color, size, thickness depending customers’ request, also can open new model for customers.2).QC: Our QC members who are strict ... , please contact us anytime.Foshan Shunde Songsu Building Materials Industry Co.,ltdAddress:No. 3, Mid First Dongfu Rd., Fulv 1st ...