ABOUT US
About Laiyuan
Shanghai Laiyuan Electric Equipment Co., Ltd. supplies conveyor belt safety devices and fluid control products for industrial sites, with “select correctly, supply quickly, fit on site” as our delivery standard.
Two product lines, one delivery logic
Laiyuan handles both conveyor belt safety devices and industrial valves. The first serves safety interlocking and condition monitoring for bulk conveying; the second serves isolation and control in power, petrochemical and chemical plants. The customers overlap heavily — power plants, ports, cement, metallurgy, petrochemical — so one process covers selection, quotation and delivery for both.
On conveyor safety we offer the full range from a single pull-cord switch to a CAN-bus address-coding system: stand-alone switches where local stop is enough, a bus solution where location reporting and upload are needed, and the two can coexist in a staged retrofit.
On valves we supply to ANSI/ASME/API standards across gate, globe, check, ball, butterfly and control valves plus instrument valves, for both spare-part replacement and new project packages.
What we provide
- Model cross-reference and substitution advice, shortening the wait for imported parts
- Parameter tables, dimension drawings and material data for the actual duty
- System solutions: bus address coding + safety switches + host interface
- Catalogues, conformity documents and order drawings supplied with the goods
- Remote technical support during installation and commissioning
BRANDS
Brand and product attribution
LYSH · Conveyor belt safety
Laiyuan’s conveyor protection line, covering pull-cord, misalignment, slip, material flow, level, rip and limit switches plus the CAN address-coding system. Housing, contacts and protection class are configured per site; interchange options are available for common models.
SWEK · Industrial valves
SWEK is an industrial valve brand covering gate, globe, check, ball, butterfly and control valves plus instrument valves. Valve parameters and catalogues on this site are taken from the brand’s materials; supply scope and authorisation documents are confirmed at enquiry.
How to work with us
1. Send the list
Send models, quantities and duty conditions (medium, temperature, pressure, size), or just a photo of the old nameplate.
2. Get the proposal
We return a parameter comparison and quotation marking interchangeable models and the differences, with catalogues and drawings where needed.
3. Delivery and support
Shipment on the agreed date with packing list and conformity documents; remote support during installation and commissioning.