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Our company specializes in producing thread protector for petroleum steel pipe and and our products have passed the ISO9001-2000 quality certification system.
Our company own advanced equipment, 10 numerically controlled lathe, 10 fully Automatic Injection Molding machine, 5 four-column Hydraulic Pressure machine of 100 tons, 8 Punching Machine and 10 welding machines. The output annual will reach 1million to 1 million and 500 thousand sets. Our existing employee is more than 100 people, including many talented experts and we can design and manufacture the moulds according to the customers’ request
There have been quick developing since our company founded, now we have become one of the leading thread protector of petroleum manufacturer in China and become the appointed supplier for many big scale petroleum tubular companies.
Specification:
|
OD for Tubulars |
Sizes & Thread |
Type |
|
60.33mm |
2 3/8″NU |
composite & all plastic |
|
2 3/8″EU |
composite & all plastic |
|
|
73.03mm |
2 7/8″NU |
composite & all plastic |
|
2 7/8″EU |
composite & all plastic |
|
|
88.9mm |
3 1/2″NU |
composite & all plastic |
|
3 1/2″EU |
composite & all plastic |
|
|
114.1mm |
4 1/2″NU |
composite & all plastic |
|
4 1/2″EU |
composite & all plastic |
|
|
4 1/2″STC |
composite & all plastic |
|
|
4 1/2″LTC |
composite & all plastic |
|
|
4 1/2″BTC |
composite & all plastic |
|
|
127mm |
5 ″LTC |
composite & all plastic |
|
5 ″BTC |
composite & all plastic |
|
|
139.7mm |
5 1/2″STC |
composite & all plastic |
|
5 1/2″LTC |
composite & all plastic |
|
|
5 1/2″BTC |
composite & all plastic |
|
|
168.3mm |
6 5/8″BTC |
composite & all plastic |
|
177.8mm |
7″STC |
composite & all plastic |
|
7″LTC |
composite & all plastic |
|
|
7 ″BTC |
composite & all plastic |
|
|
193.7mm |
7 5/8″LTC |
composite & all plastic |
|
7 5/8″BTC |
composite & all plastic |
|
|
219.1mm |
8 5/8″STC |
composite & all plastic |
|
8 5/8″LTC |
composite & all plastic |
|
|
8 5/8″BTC |
composite & all plastic |
|
|
244.5mm |
9 5/8″STC |
composite & all plastic |
|
9 5/8″LTC |
composite & all plastic |
|
|
9 5/8″BTC |
composite & all plastic |
|
|
273.1mm |
10 3/4″STC |
composite |
|
10 3/4″BTC |
composite |
|
|
339.7mm |
13 3/8″STC |
composite |
|
13 3/8″BTC |
composite |
|
|
508mm |
20 ″STC |
composite |
|
20 ″BTC |
composite |
|
|
drill stem |
NC26 (2 3/8″IF) |
composite |
|
NC31 (2 7/8″IF) |
composite |
|
|
NC38 (3 1/2″IF) |
composite |
|
|
NC46 (4″IF) |
composite |
|
|
NC50 (4 1/2″IF) |
composite |
|
|
5 1/2″FH |
composite |
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