Hose clamp manufacturers are primarily concentrated in the following areas:

1. Yanzhuang Town, Jinghai District, Tianjin

Nationally renowned as the "Hometown of Hose Clamps," Yanzhuang boasts over 80 hose clamp companies with an annual output value exceeding 1 billion yuan.

Representative companies include Tianjin Kainuo Industrial Co., Ltd., Tianjin Shuangyi Hose Clamp Factory, and Tianjin Hose Clamp Products Factory.

Their products account for over 50% of the domestic market share and over 30% of the international market share.

2. Wenzhou, Zhejiang and its surrounding areas

Longwan District and Ruian City in Wenzhou are home to numerous hose clamp manufacturers, such as Zhejiang Lixing Fluid Machinery Co., Ltd. and Ruian Human Power Standard Parts Co., Ltd.

Products primarily focus on stainless steel clamps and sanitary-grade hose clamps, with some companies possessing foreign trade qualifications.

3. Ningbo

Companies such as Yuyao Tianzhi Hose Clamp Co., Ltd. and Ningbo Changle Hose Clamp Co., Ltd. specialize in hose clamp manufacturing, with some products exported overseas.

Other regions, such as Hebei and Anhui, also have sporadic hose clamp production, but the industry concentration is relatively low.