1.The product uses channel steel, I-beam steel and heavy "C" structural steel as its column. The cold bending forming process makes the portal frame stronger, safer, flexible and easy to operate.
2.The cylinder uses high precision abrasive pipe, imported oil seal and one-piece valve core, which is convenient for disassembly and maintenance. The pressure relieving process can be operated by foot, of which the lifting speed is stable, as a result, its safety has been greatly improved.