2 of 3
UL/FM standard ASTM A53 A106 ERW Galvanized Steel Tube
7YRSTianjin Youfa International Trade Co., Ltd.
SHENSHI Shell and Tube Heat Exchanger UL Certified S&T General Industry
10YRSHangzhou Shenshi Energy Conservation Technology Co., Ltd.
网络文化经营许可证:浙ICP备14006100号-11 2007-2026 Tradevv.com. All rights reserved.