Gain Express Holdings Ltd., established in March of 2003 and based in Hong Kong, is a professional supplier of excellent products worldwide whose objective is the satisfaction of each consumer by understanding what you want and servicing what you need. We provide and deliver a wide range of products like ph meters (for soil and water) and controllers, ORP testers and controller, jewelry tools, microscopes and camera halogen and LED illuminators, Microscope Prepared Slides, Gemology stones, etc., from aquatic to laboratory to industrial to business to educational and even for personal or home use. We've partnered with Hong Kong Post, EMS, Fedex, UPS, DHL to ship and deliver all the products carefully as fast as we can to every continent, and right to your doorstep. Approved by strict quality and safety standards to ensure that all our products are of the highest quality, our products goes thru strict screening and testing, making sure that each product functions properly before it ships to the consumer. With the CE approval marked on the products, ensures that it passes the European standards. Our factory is certified by EN ISO9001-2000 to assure that all our products and services are in accordance with international standards. Our primary obligation to serve our consumers and clients is to provide and deliver fast with the most reliable, precise and accurate products with honesty, and with correct, helpful and informative content and photos. Rest assured that our products are of excellent quality with superb end-user support.
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