Exhibit Profile：
The products are mainly divided into three categories, the first category of the downhole equipment, it mainly contains electronic downhole pressure gauge and permanent downhole flow control valve. The second category is the wellhead ground equipment, it
Exhibits show：
The products are mainly divided into three categories, the first category of the downhole equipment, it mainly contains electronic downhole pressure gauge and permanent downhole flow control valve. The second category is the wellhead ground equipment, it
Exhibits show：
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