Tongling Chemical Industry Group Xinqiao Mining Co., Ltd. is one of the two major sulfur resource production bases in China, mainly producing pyrite with various metal elements, with an annual mining and dressing capacity of 2 million tons. It is now a wholly-owned subsidiary of Tongling Chemical Industry Group. In recent years, it has continued to promote intelligent transformation and is in a leading position in the industry. In 2023, Joiwo Explosion-proof supplied weatherproof telephone systems to Xinqiao Minging in mining area.
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