Engineering selection and product sourcing
MOFLON
MOFLON is a Shenzhen, China manufacturer of slip rings, fibre optic and RF rotary joints and rotary unions, with a second factory in Vietnam. It lists a London office (uk@moflon.com) and takes general sales enquiries on +86 755 33196787 and sales@moflon.com.
UK engineering team · Product sourcing · Supply support
Source MOFLON parts or compare a suitable alternative
Need MOFLON parts, a replacement or another suitable option? Send your part number or describe what the machine needs to do. We connect your requirement with experienced UK engineering and procurement support to help you get the right products, pricing and supply options. Your matched provider can take the enquiry through quotation and ordering to delivery and after-sales support.
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Specify MOFLON parts or an equivalent
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| Founded | 1995 |
|---|---|
| Owner / parent | MOFLON Technology (legal entity name not stated on its website) |
| Headquarters | Baoan District, Shenzhen 518104, China |
| Employees | more than 1,000 (as published, undated) |
| Website | moflon.com |
Manufacturer information and published contact details
MOFLON contact details
Factory 1 and head office
1F–3F, No. 6 Building, Industrial Area D, Buyong CommunityBaoan District, Shenzhen 518104
China
Telephone +86 755 33196787
Email sales@moflon.com
Website moflon.com
MOFLON United Kingdom
No 486, 16th Floor, South Quay Plaza 2183 Marsh Wall, London E14 9SH
United Kingdom
Email uk@moflon.com
MOFLON North America
632 Olive St., Suite 1387St. Louis, MO 63101
United States
Telephone +1 866 297 3266
Email usa@moflon.com
Factory 2
Factory A5-2, Lot IN6, Road No. 2, Cam Dien – Luong Dien Industrial ParkCam Giang District, Hai Duong Province
Vietnam
Contact details as published by MOFLON Technology (legal entity name not stated on its website), checked 2026-10-30. Specify Motion is not affiliated with MOFLON Technology (legal entity name not stated on its website).
MOFLON product lines
| MC capsule slip rings | 22–25 mm capsule rings, up to 56 circuits |
|---|---|
| MT through-bore slip rings | Standard through-bore rings from 3 to 300 mm bore |
| MW power slip rings | High-current rings up to 1,000 A per ring as standard |
| ME and MB slip rings | Ethernet and industrial fieldbus slip rings |
| MFO fibre optic rotary joints | 1 to 24 channel FORJs and hybrid fibre-electrical units |
| GBT, GBP and wind slip rings | Large-bore, CT/pancake and wind turbine slip rings |
| RF and waveguide rotary joints | High-frequency, microwave and waveguide joints |
| Rotary unions | Rotary unions, hydraulic swivels and fluid-electrical combinations |
Who MOFLON is
MOFLON is a Chinese manufacturer of rotary transfer products: electrical slip rings, fibre optic rotary joints (FORJs), RF and waveguide rotary joints, and rotary unions for fluids. It is headquartered in Shenzhen and runs a second factory in Hai Duong Province, Vietnam. The company says it employs more than 1,000 people across a production base of 30,000 m², holds more than 10,000 slip ring design drawings and keeps over 2,000 standard models in stock for three to five day delivery.
For OEM engineers MOFLON is mainly known for its very wide catalogue. Few makers list as many off-the-shelf variants, from 5.9 mm miniature capsules to custom rings up to 2 m in diameter, and that breadth is often the reason it appears on a shortlist when a project needs a quick sample.
History and ownership
MOFLON’s own pages give two different starting points, so we report both as published:
- The milestone page says MOFLON began in 1986 in the USA as a distributor and supplier of military and commercial slip ring assemblies, and set up a factory and assembly centre in Shenzhen in 1988.
- The About page gives 1995 as the founding year and says the company has more than 30 years of experience.
- Later undated milestones describe a reorganisation of the slip ring business across Hong Kong and mainland China, a move into OEM industrial slip rings, and a new assembly facility in Shenzhen.
The website trades as MOFLON Technology and also runs an industrial connector sub-brand called Anknor. It does not name a registered legal entity, parent company or shareholders, so we have not stated them. MOFLON says it is certified to ISO 9001 and that its standard and OEM slip rings comply with CE requirements.
Product portfolio
Our series records summarise the published figures for MOFLON’s most specified lines. Many per-model ratings, such as speed, IP rating and temperature, sit in individual datasheets rather than on the series pages, so treat any gaps as “ask the factory”, not as “not available”.
- MC capsule slip rings: 22–25 mm capsule rings with gold-on-gold contacts, from 6 to 56 circuits at 2 A and 220 V. A smaller MMC miniature range goes down to 5.9 mm diameter.
- MT through-bore slip rings: standard bores from 3 mm to 300 mm in the catalogue table (customisable to 800 mm), up to 144 circuits and up to 690 V depending on size, using fibre brush technology.
- MW power slip rings: high-current rings from 10–40 A per ring in compact units up to 1,000 A on a single-ring model, at up to 690 V. MOFLON says custom designs reach 7,500 A.
- ME Ethernet slip rings: one or two 10/100/1000 Mbit/s Ethernet channels mixed with power and signal circuits, with RJ45 or M12 connectors.
- MB industrial bus slip rings: listed for EtherCAT, PROFINET, PROFIBUS, CC-Link, CANbus, DeviceNet, RS-422 and RS-485.
- MFO fibre optic rotary joints: 1 to 24 channel FORJs with FC, SC, ST, SMA or LC connectors, plus hybrids carrying up to 200 electrical circuits.
- GBT large through-bore slip rings: built to order with bores up to 2,000 mm.
- GHS long-life slip rings: listed for speeds from 1 to 12,000 rpm.
Beyond these, MOFLON offers HD-SDI, USB, waterproof (IP65, IP68 optional), pancake, PCB-based, separated and servo-encoder slip rings, CT and wind turbine slip rings, military-grade units, mercury and wireless designs, high-frequency rotary joints up to 30 GHz, rotary unions and hydraulic swivels, cable and hose reels, and pan-tilt units.
Technologies and standards
MOFLON’s main technical claims are gold-on-gold and fibre brush contacts for low resistance and long life, channelled brushes in its power rings to cut contact pressure, and the integration of electrical, fibre, RF and fluid passages in one assembly. It states standard speeds of 250–600 rpm, with high-speed versions to 15,000 rpm on request, and gives a one-year warranty.
When you compare MOFLON parts with other brands, ask for the datasheet of the exact model: current per ring, voltage, speed, IP rating, temperature and life all vary by size. Our guides on how to specify a slip ring and Ethernet through slip rings cover the figures that matter.
Industries served
MOFLON’s product and industry pages point to factory automation and packaging, robotics, CCTV and pan-tilt systems, medical CT and imaging, wind turbines, radar and defence, and any machine that needs power, data or media through a rotating joint. See our pages on slip rings for robotics, CCTV and pan-tilt and medical imaging.
Global and UK presence
MOFLON lists factories in Shenzhen and Vietnam and regional offices in Germany (Berlin), the USA (St. Louis), the UK (London), Italy, South Africa, Israel, Singapore, Poland, Brazil, India, Australia, Turkey and South Korea. The UK office is at South Quay Plaza 2, 183 Marsh Wall, London E14 9SH, with the email uk@moflon.com; no UK phone number is published. UK engineers can also deal directly with the Shenzhen sales and technical teams by email.
What to send when specifying a MOFLON slip ring
Give the number of circuits with current and voltage for each, any Ethernet, fieldbus, video or fibre channels, bore and outer diameter limits, speed, environment (temperature, IP rating, vibration), expected life, and any fluid passages. For a replacement, the full MOFLON part number is the quickest route.
Specify Motion is independent of MOFLON. Our engineers can help source MOFLON products or propose equivalents from our supply network on published figures; see find a replacement or the slip rings hub.
MOFLON history: key dates
- 1986Milestone page says MOFLON began in the USA as a distributor of military and industrial slip ring assemblies
- 1988Factory and slip ring assembly centre set up in Shenzhen; overseas marketing begins
- 1995Founding year given on the About page
- 2026Says it has more than 30 years of slip ring and rotary union experience
MOFLON slip rings
MC Series capsule slip rings
Off-the-shelf capsule slip rings 22–25 mm in diameter with gold-on-gold contacts, from 6 up to 56 circuits (MC857) at 2 A and 220 V, for mixed power, signal, video and Ethernet.
MT Series through-bore slip rings
Standard through-bore slip rings with gold-plated rings and gold alloy fibre brushes, from a 3 mm bore (MT0317) to 300 mm (MT300476) in the catalogue table, up to 144 circuits and up to 690 V depending on size.
MW Series power slip rings
Power slip rings with channelled brush technology for high-current transfer, from 10–40 A per ring in compact MW1000 units to 1,000 A on the single-ring MW5045, at up to 690 V; Moflon says custom builds reach 7,500 A.
ME Series Ethernet slip rings
Slip rings carrying one or two 10/100/1000 Mbit/s Ethernet channels alongside 5 A and 10 A power and signal circuits, in capsule (22 mm) and through-bore versions up to 50 mm bore and 119 mm diameter, with RJ45 or M12 connectors.
MB Series industrial bus slip rings
Slip rings built for fieldbus and Industrial Ethernet signals, listed for CC-Link, EtherCAT, CANbus, PROFIBUS, PROFINET, DeviceNet, RS-422 and RS-485.
MFO Series fibre optic rotary joints
Fibre optic rotary joints with 1 to 24 channels as standard, multimode for multi-channel versions, FC/SC/ST/SMA/LC connectors, and hybrid versions combining fibre with 1 to 200 power and signal circuits.
GBT Series large through-bore slip rings
Large through-bore slip rings built to order with bores up to 2,000 mm, for machines where a large central passage must stay clear.
GHS Series long-life slip rings
Long-life slip rings Moflon lists for speeds from 1 to 12,000 rpm, for high-speed spindles and test equipment.
Engineer support
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