1. Hamilton Sundstrand Industrial (Shanghai) Co., Ltd. (MILTON ROY) – Founded 2001, part of United Technologies Corporation (同属开利空调,奥的斯电梯). Manufactures Milton Roy brand metering pumps, reciprocating pumps, mixers, and specialty pumps. Global leader in metering pump design and production with 70+ years experience. Serves石化,化工,石油天然气,水处理,造纸,电力 industries. Over 300,000 Milton Roy pump installations in China. Absolute market占有率 and完善技术售后服务体系 make Milton Roy China's number one metering pump brand. Website: www.hsis.com.cn -10

  2. Shanghai Kaiquan Pump Group – Offers metering pumps and chemical dosing systems for water treatment and industrial applications. Website: http://www.kaiquan.com.cn

  3. ProMinent (China) – German leader in metering pump technology offering chemical dosing pumps and fluid handling systems for water treatment and industrial processes. Website: https://www.prominent.com

  4. Grundfos (China) – Danish pump leader offering digital dosing pumps and metering solutions for water treatment applications. Website: https://www.grundfos.com

  5. SEKO (China) – Italian manufacturer of metering pumps and dosing systems for water treatment and industrial applications. Website: [Contact via industry channels]

  6. Lewa (China) – German manufacturer of metering pumps and process diaphragm pumps for chemical and pharmaceutical industries. Website: [Contact via industry channels]

  7. PulsaFeeder (China) – US-based metering pump manufacturer offering diaphragm and piston metering pumps for industrial applications. Website: [Contact via industry channels]

  8. Iwaki (China) – Japanese pump manufacturer offering metering pumps and chemical dosing systems for various industries. Website: [Contact via industry channels]

  9. Shanghai East Pump Group – Produces metering pumps for water treatment and industrial chemical dosing applications. Website: [Contact via industry channels]

  10. Zhejiang Doyin Technology – Offers intelligent metering pump systems for water treatment and industrial process applications. Website: [Contact via industry channels]