hgh,hgl,hgw,hgr高组装重载型滚动直线导轨，型号有：
hgh15ca,hgh20ca,hgh20ha,hgh25ca,
hgh25ha,hgh30ca,hgh30ha,hgh35ca,
hgh35ha,hgh45ca,hgh45ha,hgh55ca,
hgh55ha,hgh65ca,hgh65ha

hgl15ca,hgl25ca,hgl25ha,hgl30ca,
hgl30ha,hgl35ca,hgl35ha,hgl45ca,
hgl45ha,hgl55ca,hgl55ha

hgw15ca,hgw15cb,hgw15cc,hgw20ca,hgw20cb,hgw20cc,hgw20ha,hgw20hb,hgw20hc,

hgw25ca,hgw25cb,hgw25cc,hgw25ha,
hgw25hb,hgw25hc,hgw25ha,hgw25hb,
hgw25hc,hgw30ca,hgw30cb,hgw30cc,
hgw30ha,hgw30hb,hgw30hc,hgw35ca,
hgw35cb,hgw35cc,hgw35ha,hgw35hb,