熟妇人妻va精品中文字幕九色,超碰在线免费观看av,日韩毛片在线免费视频,青青早视频在线观看,小哥扒开美女小B舔免费视频,理论视频在线免费观看老司机,91人妻国产一区二区,久久久中文字幕在线观看,黑人100部av番号

Tianjin Dalipu Oil Country Tubular Goods Co.,Ltd was formally established in March 2008, located in Tianjin, China, close to the capital Beijing and Tianjin Port, convenient transportation, unique geographical location.

API 5CT series of oil Casing,Tubing,Coupling,Pup Joints and other oil field material accessories; API 5L oil and gas pipeline pipe, alloy pipe as the main products, and dedicated to all kinds of oil field high resistanc corrosion products,all kinds of gas tight premium thread development and sales, to meet the needs of different types of customers. Combined production and marketing, many years of oil field supplying experience and richful foreign trade operation, abundant funds and rich experience.

DALIPU company has successively obtained a series of certificates such as the right to import and export, ISO 9001, API Spec 5CT, and so on. It serves Dagang, Liaohe, North China, Shengli, Xinjiang and other major oil fields and many well-known international oil service companies with high-quality products, as well as Saudi Arabia, the United Arab Emirates, the United States, the Netherlands, Singapore, Canada, India. And Sudan, Turkey, Kazakhstan, Ecuador and other countries and regions have established long-term stable cooperative relations, and well received by customers.

We have strict control procedures from raw material procurement to processing, from product delivery to after-sales service, to ensure that the quality of the products is the same, so that you can be more assured. We have established a sound cooperative relationship with Tianjin Pipe (Group) Corporation (TPCO), Baotou Steel, Baosteel, Hengshan Steel, Angang and other large-scale domestic steel plants to ensure the quality of raw materials and enough supplying channels to achieve a win-win situation.

Over the past ten years, DALIPU people have always adhered to the principle of honesty first, customer first, customer service as our mission and responsibility, but also for the long-term development of the company laid a solid foundation.

Let us join hands and create brilliance together.