will show you your best career choices job description: ) sets up and operates portable drilling rig to drill wells: extends stabilizing jackscrews to support and level drill rig. ) moves levers to control power-driven winch that raises and extends telescoping derrick. ) bolts trusses to derrick and machine...
hangzhou deyi(dee) technology co.,ltd. which is a professional manufacturer and design of cold roll forming machine and welded pipe/tube mill line. our company is specialized in producing like roof and wall panel forming machine, corrugated roof forming machine, colored tile forming machine, ridge cap...
hangzhou deyi(dee) technology co.,ltd. which is a professional manufacturer and design of cold roll forming machine and welded pipe/tube mill line. our company is specialized in producing like roof and wall panel forming machine, corrugated roof forming machine, colored tile forming machine, ridge cap...