Guizhou Gaofeng Petroleum Machinery Co., Ltd. was established in 1971 and has been producing downhole tools for 41 years.
Guizhou Gaofeng Petroleum ເຄື່ອງຈັກກົນຈໍາກັດກໍ່ຕັ້ງຂຶ້ນໃນປີ 1971 ແລະໄດ້ຮັບການຜະລິດເຄື່ອງມື downhole ສໍາລັບ 41 ປີ.