Assembled Bit Large Caliber China Companies Lists

Hejian Longyue Drill Bit Manufacture co.,ltd is located in Hejian city,Hebei province,China.The geographical position is superior and convenient transportation for adjacent to 106 national road.Longyue company is oil supplies of large enterprises in Hebei province.We company has production line of advanced technology, well-equipped, high performace, oil drills of formal management.And we has formed the large-scale all kinds of oil drills from 3” to 26”. Longyue company adhere to honesty is our b.....