Customer comments: our company has six branch plants and more than 40 production lines in China, with an annual output of more than 10 million steel rings. The original profile rim round is a small round machine, low efficiency, high failure rate. Later, I heard that bengbu jieshun machine co., ltd. produces a large rim 'round machine, our company bought one, the use of feeling full strength, high efficiency, and few faults, in the past few years, the group has 13 lines to use the round machine are with bengbu jieshun machine co., LTD.