drilling crossover sub

drilling crossover sub

Specification 

1.Function:Because the screw thred and size of the two pieces in drill string may be different sometimes,they cannot be connected each other in drilling operation.Drilling crossover sub is a product to connect one to another.

2.It plays a part that changes the screw thread and diameter,

3.Drilling crossover subs produced by our factory have three types.Type A is a that O.D of its one end is as the same as another.Type B is that O.D of its one end is as different as another.Type C has left-hand thread.

 Technical specification:

FAQ

How can I buy from ? 

Direct contact with our customers or sales on the site

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Can goods deliver to my country? 
Yes, we deliver to every country on the earth
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Do I have to pay tax? 
Maybe. It depends on what country you are receiving the goods in.
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How much does shipping cost? 

It depends on the quantity of goods, the shipping method, and the country. Use the website, Online inquiry to our sales.

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How about the insurance?

It’s depend on the choice of the trade iterm.

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How long does it take to deliver the goods? 

If the stocks, Most normal sized orders are sent out within 1-2 working days. 
Courier delivery (UPS, FedEx, DHL) takes 2-4 days depending on your destination. 
Else, According to the actual number of orders, delivery of different.
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How can I get the best prices? 
You get cheaper per-item prices when you buy larger quantities. Use the website to see prices.
Returning customers receive better discount levels.
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Is it safe to buy from alibaba? 
We give you more guarantees than anyone else.
Buying from alibaba is safe, secure and simple.
alibaba offers you secure payment, guaranteed quality and guaranteed delivery.

The other way, you can choose offline deal. it safe same.

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What if the product does not arrive? 

We guarantee your products will arrive safely in your destination country.

The insurance is necessary.

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Can I copy your website text and pictures for my re-selling business? 
You are welcome to copy the Renda product pictures and product descriptions, for use re-selling these products.

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Can I visit Renda? 
Yes, you are welcome to come and meet us here China.
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How can I speak to Renda about product questions or other queries? 
We will offer you full pre-sales and after-sales support via phone, email, live chat, mail, or face-to-face meetings.

Company Information

Beijing OCEAN RENDA Petroleum Equipment Co., Ltd(hereinafter referred to as “HYRD”) is an wholly-owned subsidiary of “Sina-America Renda Group Company” in China. Established in 2006, HYRD has the registered capital 12.5 million RMB and average annual operating income 50 million RMB,majors in exporting and importing oil and gas drilling machinery and equipments, with the logistics and technical services as the carrier. And it is a highly competitive professional company with the rapid development in the energy industry.