国产精品IGAO视频网网址,亚洲人午夜射精精品日韩,久久久无码精品亚洲日韩按摩,又爽又黄无遮拦成人网站,精品熟女日韩中文十区,国产精品成人高潮av,日韩精品国产精品国产,开心久久婷婷综合中文字幕,欧美精品亚洲精品日韩专区一乛方,欧美人与性囗牲恔配

Guide rail type hydraulic elevator, freight elevator and wall mounted elevator are mainly used for the up and down transportation of goods between various working floors; the narrow space which is difficult to be solved, such as the high-rise building above the second floor of the three-dimensional garage and the underground garage, the place where the pit cannot be excavated, and the place where the height of the top floor cannot reach the requirements, etc., our company will try its best to build an efficient delivery platform and product hydraulic system for you Set up anti falling, upper and lower door interactive interlocking, each floor and lifting table can be set with operation buttons to achieve multi-point control.

The steel wire rope for the automobile proportional regulator is customized according to the user's requirements. The load can be 20 tons. Two 90mm diameter - 150 mm diameter hydraulic cylinders are used on both sides of the large tonnage design table, and two 60mm diameter hydraulic cylinders are used on both sides of the small tonnage design table. Each floor hoistway surface is used for fixing, and the field electric welding is used for fixing. The guide rail and chain are used for sliding up and down, and the steel wire rope is used Vertical protection, smooth operation, no noise, convenient maintenance and long service life.

Due to the long-term outdoor use of the lifting clothes hanger, whether the steel wire rope is rust proof and soft is the key. 7 * 7-Strand ￠ 1.5mm stainless steel wire ropes are used to ensure that they are soft and rust free within three years; most of the products on the market are ￠ 1.2mm stainless steel wire ropes or stainless steel wire ropes, which are not strong enough to bear, and the surface is easy to be corroded and oxidized after use.