江苏如东联丰石油机械有限公司位于物产丰富、交通便捷的南黄海之滨，是中国石油天然气集团公司和中国石油化工集团公司石油钻采井口设备和工具的网络成员单位。主要产品有：吊钳系列、卡瓦系列、吊卡系列、各种补心系列、套管卡盘系列、气动卡盘系列，钻杆动力钳系列、套管动力钳系列等。联丰生产的产品均通过环境体系认证，产品均执行API标准生产，已通过美国石油协会Q1、ISO国际质量体系认证，享有 API“7K”“8C”会标使用权和自营进出口权。 本公司始终坚持“优质、诚信、敬业”的企业精神，一贯以“质量、优质服务”为宗旨。产品遍及全国各大油田，并远销欧美、中东、东南亚等地区，产品质量在客户中享有良好的声誉。 我们将通过不懈的努力，以上乘的品质、优良的服务、合理的与国内外客户精诚合作、共图发展 Jiangsu Rudong Lianfeng Petroleum Machinery Co., Ltd.(Surulianfeng or SRLF) is situated in the seashore of the South Yellow Sea, Rudong, Jiangsu CHINA. Our company specializes in producing drilling and well servicing equipments, and is one of the net members applied for supplying the different oil equipments for China National Petroleum Corp. (CNPC) and Sinopec Group. Our main products include: manual tongs, rotary slips, rotary bushings, elevator/spiders, Power Tongs ,etc. The company manufacture our products by conforming the international standards. Our products are ISO certified. We have been granted the right to use the Official Monogram of API 7K & 8C. We also have been given the rights of self-managed import and export. We always adhere to the spirit of “Quality、Credit、Devotion”, and the tenet of “Quality First and Service Excellent”. Our products are widely use in oilfields all over the country, and have been exported to Europe, USA, Middle East, Southeast Asia, etc. The quality of our products benefit from high reputation in our customers. We are persistent in exerting effort to supply the drilling and well servicing equipments with high quality、excellent service and reasonable price for our customers from domestic to abroad.