河北紅日機(jī)械傳動(dòng)有限公司專業(yè)生產(chǎn)蝸輪蝸桿減速機(jī),W型圓弧齒圓柱蝸桿減速機(jī)
Hebei Hongri mechanical transmission Co., Ltd. specializes in the production of worm gear reducer, W-shaped circular tooth cylindrical worm reducer