Established in August 1998, Zhejiang Carbo Bronze Co., Ltd. is located in Yuhuan, the "Valve Capital of China" on the Chinese Southeast Gold Coast. The brass valve factory occupies a total area of 75,000 m2 and a building area of 110,000 m2, divided into Factory I and II. It has over 350 employees with annual sales of RMB 280 million. At present, it has over 360 products in over 10 series, such as bronze ball valve, gate valves, stop valves, check valves, filters, reducing valves, thermostatic mixing valves, fire valves, marine valves and backflow preventer for sale.

All these products are exported to over 50 countries in Europe, America, Australia, Southeast Asia and so on. Carbo, the brass valve supplier adheres to the business principle of "superior quality, excellent service, reasonable price and punctual delivery. After more than 20 years of stable and rapid development, the company was rated as Top 100 Yuhuan Enterprises in 2006; in 2012, it ranked among Top 30 "Yulong Enterprise" in Yuhuan; in 2014, it was rated as Top 20 Yuhuan Self-Support Export Enterprises and Honorary Unit of Local Water Control; in 2017 and 2018, it was awarded as Top 10 Yuhuan Self-Support Export Enterprises and Benchmarking Enterprises. Carbo Bronze has turned into a leading comprehensive enterprise integrating product development, manufacturing, trading, and service in the domestic bronze valve industry.