ADDRESS:North side of Management Committee of Renqiu Economic and Technological Development Zone | BUSINESS SCOPE: | Production and sales: roller cone bits, PDC bits, diamond bits, impregnated bits, scraper bits, assembly bits, core bits, drilling tools, drilling tools, ventilation equipment, automated weighing systems, high-voltage ionization chamber equipment, non-standard automation Equipment; oil, natural gas, and geothermal drilling technology development and drilling technology services. (Laws and regulations stipulate that businesses that are prohibited from operating shall not be operated, and those that are restricted shall be operated only after obtaining a license)*** | E-MAIL: | qlzt8888@163.com;804861806@qq.com
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