About Promix

PROMIX is an up-to-date Russian engineering and production center.

Promix company was founded in 2004. It specializes in development, testing and serial production of electrocontrolled locking mechanisms and the electronic equipment for various purposes.

Until 2019, the equipment was produced under the brand name SHERIFF. In early 2019, the company rebranded. Now all manufactured equipment is supplied under the Promix brand.

Brand values

Professionalism and competence

We appreciate professionalism and competence, so our company employs only highly qualified, professional employees with appropriate education, scientific degrees, extensive experience in engineering, design, production activities.

Science and new technologies

Open and trusting relationships are the basis of a long and mutually beneficial cooperation, both with customers and employees.

Safety and comfort

Safety and comfort are the most important foundations of life, any person always strives for them. We work every day to create engineering solutions that help make life safer and more comfortable.


Since 2004, PROMIX center has produced more than 1 million products at its own plant in Smolensk using domestic and imported raw materials and parts. Currently, our production capacity allows us to maintain the output at the level of up to 100,000 products per year.

In order to ensure the sales of the manufactured equipment and devices, the company develops and supports a dealer network. We work both with large federal trading houses, and with actively developing regional companies. We conclude long-term direct contracts with manufacturers of equipment.

The manufactured equipment is subject to mandatory testing and certification for compliance with GOST and the Customs Union standards.

The design department of the company constantly develops new products and opens new areas of activity. According to the Statements of Works of the customers, Promix Engineering and Production Center carries out the following works:

  • Design development and making a prototype
  • Pilot production and product testing
  • Certification
  • Preparation of documentation for serial production

In accordance with orders of customers, the following works can be carried out:

  • Development of electromechanical and radio-electronic devices in accordance with the technical requirements of the customer
  • Production, programming and tuning of radio-electronic devices
  • Manufacture of electromechanical and electromagnetic devices and mechanisms
  • Installation and connection of manufactured devices
  • Production of parts according to drawings of various degree of design complexity
  • Metal machining (turning and milling, stamping)
  • Plastic injection molding
  • Assembly works (fixing, basing, installation, disassembly)
  • Locksmith works (bending, stripping, prick-punching, cutting, rolling out, drilling)
  • Polymer powder coating of metals
  • Spot contact and electric arc welding
  • Oxidation and electroplating of metals

Our mission: To be a reliable and technology-intensive partner, to create innovative engineering solutions for safety and convenience.

We will be glad to see you as a client of Promix Engineering and Production Center
You can see the full range of Promix equipment and locks in our catalog
If you have any questions, you can contact a Promix manager by + 7 (4812) 619-330
You can also leave a request using the feedback form
Promix sm213 street variant
Promix sm112 for retail space furniture
Our company has succesfully registered the business account on EUROPAGES


Dear friends, we are thrilled to announce that our company - Engineering and Production center "PROMIX" has succesfully registered the business account on the leading European e-commerce B2B platform EUROPAGES. Please feel free to visit!


The quality management system applied to design and development, production and delivery of electromechanical locks, control and management devices complies with the requirements of ISO 9001:2015.



We are pleased to announce that our company has received a new patent for the method of blocking switching of electrical installations and the device for its implementation. 


All news
© Promix, 2007 - 2021
35 Litera A, Krasninskoe shosse, Smolensk, Russia
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skype: itcpromix


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