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Shouguang Kunlong Petroleum Machinery CO.,Ltd
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About Us
Shouguang Kunlong Petroleum Machinery Co., Ltd., lies in world well-known vegetable city - Shouguang, Shandong of China, about 150 km from Qingdao port.
We are specialized in manufacturing of petroleum machinery, including
-sucker rod: API standard, Grade D, H
-polish rod: API standard, Grade D, H
-sucker rod coupling: API licenced products, Class T&SM,
-sucker rod pump: API licenced product, rod and tubing pump, anti-sand pumps, water injection pumps, hydraulic feedback pumps and ...
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By the forced centering and guiding function from the unique designed upper ...
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1) Material: Seamless alloy steel 2) Standard: API Spec 11B 3) Grade: T 4) ...
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We provide two types of polished rod, general polished rod and one end upset ...
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Our newly Alloy-spraying polished rod was developed by spraying alloy on the ...
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Company Name:
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