© 2021 Shuanglong Group Co., Ltd.,                                      沪ICP备10006051号



Who We Are

About Us

Since S&L set up the first workshop in 1989, our founder is always highly focusing on quality and customer’s need. Today, we are trendsetter in bulk material mixing technology in China and spread our business in worldwide.


We provide comprehensive range of various industrial mixers include powder mixers, vacuum dryers and reactors in food, pharmacy, chemistry, life science, environment industries etc.


Our experienced engineer team conclude customer's requirement and provide unique mixing equipment solution or even think ahead according to customer's mixing process and industry applications. Almost 30 years experience of powder mixing technology and collecting knowledge of process, we know what customer need and give our professional suggestion to you. More than 150 staffs are employed in Shanghai Factory and we aim to be the leading manufacturer to provide solutions for what customer need.


Founded: 1989
Factory: Shanghai, China
Staff: 150+
Export Sales: 40%


Innovation Fun

Cooperation with global partner to keeps our technology always advancing. More important is that our experienced engineer team enjoys developing new solutions for our customer’s processing problems as well. This help to foster positive effect through new product development with international market opportunities. We continue to building the culture of Innovation Fun and strengthen practical application of the patent and technology development during daily fabrication. All these bring S&L technology to the forefront.


Continual innovation and upgrade enable S&L to fulfill increasing diverse demands of processing industry and equipment.


Honor: Hi-tech Enterprise
Patent: 50+



Quality is the criteria of survival and S&L always put it in our top task. Our mixing machines are fabricated with step-by-step inspection through metal processing, welding, assembly, running and final test. Our Quality & Standard is higher than others.


- Quality Management System ISO9001:2015
- Quality Management  System ISO14001:2015
- CE certificated for all of the mixers
- SGS/TUV auditing cooperation for projects
- Pressure Vessel certificated for vacuum mixers and other special mixers
- Full test in factory
- Water Pressure Test for jacket
- Dynamic Test for high speed mixer
- Nondestructive Test for special mixers
- SIGMA Enterprises Credit Assessment 3A



Start to carry out mixer and process equipment business in various industrial applications

Moved to new plant in Shanghai and registered as S&L Mixing Machine Factory

International business started to gather export experience
As the OEM partner for Korea  company for twin shaft paddle mixer

As the OEM partner for US company for ribbon blender machine

Registered as Group Company integrating the business of motor, pulverizer, pump, etc

As the OEM partner for Israel company customized drawing

Honored as Hi-Tech company in Shanghai

The first and the only mixer manufacturer from China attended POWTECH exhibition bringing 5 industrial blenders on scenes

S&L wins the biggest market share for ternary battery (Lithium nickel-cobalt-manganese oxide) mixer in China