Haimen Tongyu Chain Co., Ltd. has twenty years of development history, covering an area of 16,800 square meters, with a construction area of 7,600 square meters, utilizing more than 300 sets of equipment.
We annual produce 4,000,000 meters bicycle chains and roller chains, as well as 2,000,000 meters chains with many different specifications, including 06B type, 081 type, 082 type, 35 type, 410 type, 415 type, and 415H types. They are in accordance with the quality standards of QB/T1716-93 and in line with international standards of ISO606-1982.
Our products are widely used to bicycles, motorcycles, textile machinery, and agricultural machinery as essential transmission pieces. They sell well in China, and have been exported to Germany, the United States, Japan and other countries.
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Haimen Tongyu Chain Co., Ltd. has twenty years of development history, covering an area of 16,800 square meters, with a construction area of 7,600 square meters, utilizing more than 300 sets of equipment.
We annual produce 4,000,000 meters bicycle chains and roller chains, as well as 2,000,000 meters chains with many different specifications, including 06B type, 081 type, 082 type, 35 type, 410 type, 415 type, and 415H types. They are in accordance with the quality standards of QB/T1716-93 and in line with international standards of ISO606-1982.
Our products are widely used to bicycles, motorcycles, textile machinery, and agricultural machinery as essential transmission pieces. They sell well in China, and have been exported to Germany, the United States, Japan and other countries.