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API 4 1/2" REG drilling crossover sub

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Specializing in products

Crossover sub is a short, threaded piece of pipe used to adapt parts of the drilling string that cannot otherwise be screwed together because of differences in thread size or design.

Adept at modeling

Superior to heart

Bit sub/drilling crossover sub

Cross-over sub acts for conversion and connection of drill stem component in petroleum,natural gas and geology drilling work. It is used mainly for connecting of upper drill tools and lower drill tools during drilling operations.

Q: Do you have stock ?

A：Most of produts are under regular production , we can make delivery immediately if we the specific one in stock.
Q: How can order the products without any acknowledge of import ?

A：We could arrange you shipping or air or express for you and deliver everything to your port or provide you door to door service.
Q: Can we have our Logo or company name to be printed on your products or package?

A：Sure. Your Logo could be printed on your products by Hot Stamping, Printing, Embossing, UV Coating, Silk-screen Printing or Sticker.
Q: How much the transportation freight ?

A：The freight depends on the weight and packing size and destination from here to your location
Q: Are you manufactory or trade company?

A：We are the Manufactory specialized in Petroleum equipment industry products for many years already. Our factory have passed IS09001:2014, API. And we are AAA grade credit enterprise.
Also we had large warehouse and quality control department for purchasing products for clients.

who we are

So pleased to introduce ourselves to you.Weifang Shengde Petroleum Machinery Manufacturing Co.,Ltd.
We are the professional manufactuer of downhole motor and drilling bit over 32years.

We are the first-class network supplier of PetroChina and Sinope.
Also have the independent physical and chemical lab and professional research&development team,
obtained 9 national invention patents and 16 utility model patents.
Professional production equipments and advanced CNC machine tools, including Yamazaki Mazak from Japan.
And we have obtained API Q1 and 7-1 system certifications, as well as ISO quality management system certifications.

years

100+

partners

100+

products

130+

staff