PVC塑料原料57S70S67S703E701E702E沙特57S70S67S703E701E702E济宁SG3SG5荷兰LVMS5702北京SG-8SG-7SG-4SG-6SG-5韩国P-1000P-1300LS-100SG-2SG-3SG-5SG-770587059K70WY9050EB1017356哈尔滨J-70H-70比利时索尔维268RE杭州HS-888AE516HS-888AE508HS-74-3AE106HS-74-3AE117沧州SR-800SLP-1000南通9026S-02573968407356820754029宁波902305237023)