The headquarters of the yanhashi family zhuang union is located in the “china fung town” — the xiaoshan industrial park in hangzhou — and is a large, diversified, cross-regional development enterprise based mainly on the plum industry. The company covers a total area of 720,000 square metres, with more than 10 subsidiaries and more than 6,000 employees. The willow bridge group is a large, technologically advanced plume processing base in asia, with an annual plume processing capacity of more than 16,000 tons, a yearly plume processing capacity of more than 12 million plumes, domestic textiles and clothing, and the best sales of willow bridge's spin-off union products in the same industry, with products sold for more than 40 regions worldwide. The company, which has been classified for many years since 2001 as one of the 500 largest enterprises in the national camp, has been referred to by prominent industry figures as "unrenounceable feathers" and plays an important role in china's feather industry's position in the world's plume industry. From the time of their growth to maturity, the first iso 9001, 2008 quality management system and iso 14001 in the home-based spin-off industry for 19 years, 2004 environmental management system certification, gb/t28001-2001 occupational health safety management system certification, recognized as the standardized qualified behaviour "aaa" enterprise, etc. The "dioda" velvet products from the yanhashi family headquarters were awarded to the china fowl industry association, the zhejiang province brand products, the chinese brand products, the zhejiang province's famous trademarks, and the "specific gas marks" ; the zhejiang bridge was awarded the national best-sell brand award。