About us

About us

Company Profile

QM Connector is a professional supplier of interconnection technology solutions in China's high-end manufacturing field.The company has advanced manufacturing and testing equipment, high-end CNC lathes and a rigorous and high-level R&D team.The company specializes in the research and development, production and sales of high-end electrical connectors, as well as providing a complete set of wire harness forming solutions and processing services.By the end of 2014, the company has passed a number of authoritative certifications such as ISO9001 (2008) quality system certification, ROHS certification, CE certification, and CB certification.

Our factory is located in Shenzhen. The pictures of our factory shows below. We have qualified staff that make sure our customer's order will be delivered in time. Also research and invent new product is always important for a manufacturer. We have a reliable reserach and development team that will make sure our product fit our customer's needs.


Technical characteristics of B series metal connectors

Number of inserts>5000
HumidityAt 60ºC, the highest humidity can reach 95%
Temperature rang-45ºC ~ +125ºC
Vibration10-20000Hz, 15g
Mechanical shock100g.6ms 
Salt spray corrosion test>48h 
Protection levelIP50
Connecting modePush pull self-locking


QM Connector adheres to the principle of "customer first", adheres to technological innovation as the driving force, market demand as the vane, scientific management, and serves customers as its purpose.The company continues to improve its strength and has now grown into a backbone enterprise in China's high-end connector scientific research and production.

Products are widely used in medical equipment, mechanical equipment, audio/video, inspection and measurement, communication electronics, military industry, aerospace, shipbuilding, automobile and power industry, etc.Products in Europe, the United States, Canada, Australia, South Korea, India and other overseas countries and regions have been widely used and recognized.

QM Connector is a specialized supplier of interconnection technology solutions in the field of high-end manufacturing in China.QM Connector has advanced production inspection equipment and a high standard research and develop team. QM Connector was determined in research ,manufacture and sells in medium and high-end electric connector also provide wiring harness molding solutions and processing services. The company has successively passed ISO9001(2008) certificate of quality system, Weapons and equipment quality system certification(GJB9001C-2017), ROHS certification, SGS certification and many other authorized certification. We adhere to the principle of customer first, insist technical innovation as our motivation, market demand as our indicator, consider serving customer as our purpose, and keep improve ourselves. QM Connector has become leading manufacturer of medium and high-end electric connector in China.



Q1. Are you a manufacturer or trading company?

QUANMA:We are a professional manufacturer of push pull connectors our sales service
department is in Shanghai and our factory is in Shenzhen

Q2. What's the lead time after place order?
QUANMA: Normally we will deliver your order 7-12 working days after place order.

Q3. Is you connector compatible with other brand connector?

QUANMA:B series is compatible with LEMO connector.
Q4. How many field can be used this kind of connector?
QUANMA:  QUANMA connector now widely used in the fields of measurement,medical,
audio-video,military,navigation,security,aviation,industrial control,automo-tive and power etc.
Our connector will pack and ship to you safely. We will pack it as you required. Check our package and warehouse below!