無錫龍之杰減速機(jī)有限公司專業(yè)生產(chǎn)行星擺線針輪減速機(jī),B系列（上海變速機(jī)械廠標(biāo)準(zhǔn)）擺線針輪減速機(jī)
Wuxi Longzhijie reducer Co., Ltd. specializes in the production of planetary cycloid reducer,B series (Shanghai variable speed machinery factory standard) cycloid reducer