About Us

Company Profile


Brief Introduction of Company

Changzhou Longxin Machinery Co.,Ltd was established in 2001 with 30 million fund registered. The headquarters located at the north development zone of Hengshanqiao Town in the eastern suburb of Changzhou city, it is close to the crossing of Beijing-Shanghai high-speed railway, Shanghai-Nanjing high-speed railway and Shanghai-Chengdu expressway. Longxin is a specialized manufacturer of Chemical machinery equipment with total area about 13,600 square meters.


Longxin integrates technical research, development and manufacture, with more than 20 years’ experience of professional production. Our factory mainly produces “Longxin”& “Huabao” brand machines of manual three roll mill, hydraulic three roll mill, computer CNC three roll mill, bead mill, nano ceramic sand mill, planetary mixer etc. We also design, integrate, install and adjust the whole complete related product line according to customer’s request with our equipment. Our machines are widely used in ink, coating, electronic paste, pesticide, power battery, nano material, daily chemical, leather plastic, pencil, food, dye, silicone rubber, and guar gum etc.


Our company who shares world advanced technology of grinding and dispersion technology with you owns a professional R&D team and is always the leader of innovation and revolution in this industry. We obtain more than 20 items of patent certificates, including 5 items of invitation patents. We can provide professional assembly line according to the customers’ requirement of production. Our products are exported to United States, Brazil, India, Russia, Japan, Korea, Singapore, Southeast Asia and other countries and regions, and enjoy high reputation from all walks of life.


Changzhou Longxin Machinery Co.,Ltd owns various honorary status, including high-tech enterprise, national special ultra-fine powder technology researching center, micro-nano material preparation engineered and industrialized testing site, and vice chairman unit of Chinese ink Association. Longxin machines are with certifications of TüV, BV, CE and ISO09001:2018.

Our consistent principle is “Quality First, Excellent Service, Customers Satisfaction”. Sincerely welcome friends both at home and abroad to cooperate with us and create a bright future of chemical industry together!




Successful acquisition of state-owned enterprises.


Increasing capital and Longxin Machinery Co.,Ltd was established.


Longxin Hydraulic Three Roller Mill was developed.


Longxin CNC Three Roller Mill and Bead Mill were developed.


Longxin High Viscosity Bead Mill was developed.


Longxin was elected as vice chairman unit of Chinese Ink Association.


Longxin Bead Mill Obtained a number of national patents.


Yearly output value over 60 million and Silicone machinery branch was established.


Longxin was authorized to be National Special Ultra-fine powder technology researching center.


Longxin was authorized to be High-tech enterprise.


Longxin continue to move forward, reaching bigger achievement in the future.


Company Culture

Consistent principle: Quality First, Excellent Service, Customer Satisfaction

Customer upmost, Excellent Service  

Every employee of Longxin treat customer with serious and responsible attitude, adhering to the service concept of "taking the customer as the center and taking the demand as the guide", starting from the customer's demand, surpassing the customer's hope, and finally the customer's satisfaction. Let every customer feeling our sincerity from the pre-sale to after-sale.

Professional Team, Focusing on Grinding Technology

Longxin has a history of more than 20 years. In this 20 years, we have been focusing on one thing that producing first class grinding equipment. Under the leadership of top production and R&D engineers, we have formed a professional production and development team, laying a solid foundation for the growth of our grinding business.

Endless Innovation, Keep Climbing

Longxin owns various honorary status, including high-tech enterprise, national special ultra-fine powder technology researching center, micro-nano material preparation engineered and industrialized testing site. Through our continuous improvement and innovation, Longxin has been recognized by our customers and gained high reputation. We will continue to build our brand and expand our innovation.