How to contact your after-sale service division?
In order to offer you with the highest quality of after sales service available, Sinowon Innovation Metrology Manufacture Limited. has after-sale service division to provide consultations and respond to inquiries from customers regarding all hardness tester digital issues. To take full advantage of customer comments, we communicate the advice received from after-sale service division and reflect it in the future services we provide. By incorporating the comments of our customers, we work to provide the highest satisfaction possible.

Sinowon is a renowned firm, engaged in market research, designing, manufacturing and supplying a broad collection of optical measuring instruments. The hardness tester is one of the main products of Sinowon. It comes with good breathability. It allows moisture vapor to pass through it, which is an essential contributing property to thermal and physiological comfort. Imported materials and accessories are used in product manufacturing. Being highly commented by customers, Sinowon will strive to provide the best service for customers. The quality is reliable and the service life is long.

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