Quad Star Limited (QSL) and its predecessor companies have been manufacturing electrical household appliances, consumer electronics, personal protective equipment, medical supplies and solar products for more than 35 years. The many years of experience and profound knowledge in this field distinguishes Quad Star not only as a procurement service provider and consultancy for sourcing processes in the Asia-Pacific region (Vietnam via China to Japan), but also as an expert for the “necessities” that make business run smoothly in this region.

QSL operates internationally and has a global network. The head office is located in Hong Kong, besides the company has several subsidiaries in and outside of the European Union. QSL's strength and unique selling proposition are its unrivalled know-how and expertise especially in China business mixed with the combination of Western management and local experience creating a unique synergy to bridge the East-West gap. Quad Star's many years of experience in this field constitute a unique benefit. Quad Star has the overall view, the knowledge and the necessary routine.

As a specialist in manufacturing in and import from the Asia-Pacific region with profound experience in China business, Quad Star Limited is able to cover all aspects of the procurement process, from product and supplier research to the arrival of the goods at the final destination. QSL assists with all aspects of sourcing and offers one-stop sourcing solutions - from supplier research and supplier evaluation throughout product selection and production management to final inspection and shipment supervision. In addition, QSL offers comprehensive consulting services on various procurement-related topics. Renowned partners and major importers already rely on this essential know-how and support.

Quad Star Limited operates in accordance with MIL Standard 105E when defining quality requirements and the quality acceptance procedure. MIL 105E is the stringent standard for United States military and tactical products, which is a set of procedures based on mathematical formulas (MIL-STD-1916,"DoD Preferred Methods for Acceptance of Product or ANSI/ASQ Z1.4). They are also widely accepted outside military procurement.