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SHANGHAI CHENZHU INSTRUMENT CO., LTD. is a very established provider that specialises in automation safety.
We have over 24 years of experience in the design and manufacture of intrinsic barrier, surge protection device, isolated signal conditioner, safety relay, low power transmitter and temperature transmitter. Our products and solutions cover many areas--from process automation safety to factory automation.
CHENZHU has got intergraded management service Certificates, like ISO9001, ISO14001 and ISO45001, more than 135 patents related core tech was obtained, reference OEM and ODM customers from German, Japan and direct shipments to any global destinations.

The name Knick has been recognized for outstanding quality in the manufacture of electronic measuring instruments for more than half a century. Back in 1945 the company’s founder, engineer Ulrich Knick, began with the manufacture of high-precision zero-point-stabilized DC amplifiers. These devices enabled the production of reliable laboratory pH meters and other precision measuring instruments.
Knick has been certified to ISO 9001 since 1993.