1. interface Henan Yinchen Boiler Co., Ltd. Service Hotline: 13592297372, is a comprehensive, high-tech private enterprise integrating scientific research, design, development, manufacturing, processing, sales and installation. Its average annual production capacity is 5,000 tons of steam, creating an output value of 150 million yuan, and generating profit tax (foreign exchange) of more than 12 million yuan.It has 323 employees and 35 technical elites, including 6 senior engineers and 15 professional and technical personnel. 4 Equipment installation, engineering installation 10 Fujian

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