谁有免费看做爱的网站Manual Tongs are necessary tools applied to make up and break out pipes.Changing lug jaws and latch steps can adjust different handling sizes of the tongs.They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.
No.of Latch Lug jaw
No.of Hinge Pin Hole
谁有免费看做爱的网站Jiangsu Rutong Petro-Machinery Co ., LTD., engaged in oil drilling wellhead equipment research and development, production and sales of major products as lifting equipment, card equipment and spinner. Is the earliest engaged in oil drilling wellhead equipment production and sales of one of the enterprises, China's petroleum and petrochemical equipment manufacturing industry "top 50" enterprise, jiangsu province high-tech enterprises, innovative enterprises in jiangsu province, jiangsu province academician workstation and provincial enterprise technology center.苏ICP备11030773号 苏公网安备 32062302000104号 COPYRIGHT2017江苏如通石油机械股份 有限公司 版权所有