活塞头

I am the Secretary's main operating piston, filler letter, the first oil pump, plunger, bush, into the exhaust valve, piston rings, seal ring, O-ring, oil scraper ring, and a variety of sub-oil machine, by pressure, etc. and run all types of second-hand spare parts.

我司主要经营活塞，填料函，油头，油泵，柱塞，轴瓦，进排气阀，活塞环，密封环， O型圈，刮油环，以及各类分油机，增压器等并兼营各类二手备件。

Currently Kong Qichui, forging hydraulic hammers used for steaming Kong Qichui head of the hydraulic power, hydraulic riveting machines, presses, Bar-precision cut, multi-automatic forging presses, metal shavings Press Detroit sold cold extrusion machines, cutting plate machine, sheet metal bending machines, cutting sheet metal folding dual-use machine, decay resistance pumps, vacuum pumps, ball mill, pressure-ball machine, broken machines, vibration, grinding, and so on more than 20 series 50 Varieties of products, but also for the cars, bicycles, the bearings industry design, manufacturing production lines, has become the domestic Kong Qichui, hydraulic forging hammer, hydraulic riveting machine, forging equipment bearing the production, export base.

目前拥有空气锤、液压模锻锤、用于蒸空气锤改造的液压动力头、液压铆接机、压力机、棒料精密剪断机、多工位自动锻造压力机、金属屑压块机、活塞销冷挤压机、剪板机、板料折弯机、板料剪折两用机、耐腐泵、真空泵、球磨机、压球机、破碎机、震动磨、等20多个系列50多个品种的产品，还可为汽车、自行车、轴承行业设计、制造生产流水线、已形成国内空气锤、液压模锻锤、液压铆接机、轴承锻造设备的生产、出口基地。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐