Home » News Center
news
06/ 09/ 2025

Why choose us

Huzhou Longshan Machinery Co., Ltd. (formerly Huzhou Yinxin Rolling Co., Ltd., a new company founded due to development needs) is a manufacturer specializing in the production of cold-hard cast iron plungers, resin sand, coated sand castings (QT500, HT250, HT300, etc.), and cast iron rolls (three major categories of cold-hard, infinite, and ductile ink). The products are widely used in oil pressure, hydraulics, papermaking and other machinery, medicine, elevators and other industries. It was founded in 1984 and is one of the first 84 key backbone enterprises in the national metallurgical industry to obtain a cast iron roll production license. It has a history of casting and processing and production. The company has a registered capital of 10 million yuan, currently has 120 employees, and an annual production capacity of 8,000 tons. The products are mainly sold to Jiangsu, Zhejiang, Shanghai, Anhui, Fujian, Jiangxi, Hunan and other regions, and are spread all over the country. Plunger products are listed as designated by Dongyu Oil Pressure Industry Co., Ltd., Hunan Yiyang Rubber and Plastic Group and other large well-known enterprises.

More >>
news_0000_9 (2).jpg
06/ 09/ 2025

about Us

Huzhou Longshan Machinery Co., Ltd. (formerly Huzhou Yinxin Rolling Co., Ltd., a new company founded due to development needs) is a manufacturer specializing in the production of cold-hard cast iron plungers, resin sand, coated sand castings (QT500, HT250, HT300, etc.), and cast iron rolls (three major categories of cold-hard, infinite, and ductile ink). The products are widely used in oil pressure, hydraulics, papermaking and other machinery, medicine, elevators and other industries. It was founded in 1984 and is one of the first 84 key backbone enterprises in the national metallurgical industry to obtain a cast iron roll production license. It has a history of casting and processing and production. The company has a registered capital of 10 million yuan, currently has 120 employees, and an annual production capacity of 8,000 tons. The products are mainly sold to Jiangsu, Zhejiang, Shanghai, Anhui, Fujian, Jiangxi, Hunan and other regions, and are spread all over the country. Plunger products are listed as designated by Dongyu Oil Pressure Industry Co., Ltd., Hunan Yiyang Rubber and Plastic Group and other large well-known enterprises.

More >>
news_0000_9 (2).jpg
06/ 09/ 2025

Company Introduction

Huzhou Longshan Machinery Co., Ltd. (formerly Huzhou Yinxin Rolling Co., Ltd., a new company founded due to development needs) is a manufacturer specializing in the production of cold-hard cast iron plungers, resin sand, coated sand castings (QT500, HT250, HT300, etc.), and cast iron rolls (three major categories of cold-hard, infinite, and ductile ink). The products are widely used in oil pressure, hydraulics, papermaking and other machinery, medicine, elevators and other industries. It was founded in 1984 and is one of the first 84 key backbone enterprises in the national metallurgical industry to obtain a cast iron roll production license. It has a history of casting and processing and production. The company has a registered capital of 10 million yuan, currently has 120 employees, and an annual production capacity of 8,000 tons. The products are mainly sold to Jiangsu, Zhejiang, Shanghai, Anhui, Fujian, Jiangxi, Hunan and other regions, and are spread all over the country. Plunger products are listed as designated by Dongyu Oil Pressure Industry Co., Ltd., Hunan Yiyang Rubber and Plastic Group and other large well-known enterprises.

More >>
news_0001_8 (2).jpg
Join the information circle of Takinama Machinery: Subscription opens immediately

About us

In order to consolidate and expand the market and continuously improve the market competitiveness of the company's products, the company has always adhered to the quality policy of 'adhering to scientific and technological progress, adopting advanced processes, improving product quality, and meeting customer needs', and strives to achieve the quality goal of 'customer satisfaction rate reaches more than 99%, product inspection pass rate 100%, and product quality reaches the domestic advanced level'.

Quick link

Products

Online Message

+86-18657261222
    +86-16621263917
380866833@qq.com
     413605424@qq.com
 Shicong Town, Nanxun District, Huzhou City, Zhejiang Province
Copyright © 2025 Huzhou City Longshan Machinery Co., Ltd. All rights reserved. Sitemap Privacy Statement