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简体中文 Service Hotline:18906617546
简体中文 Service Hotline:18906617546
Ningbo Hezhong Electric Power Technology Co., Ltd. was established in 1998, specializing in the development, research, production, and sales of measuring instruments and automation instruments in the field of electrical measurement, serving power enterprises.
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Wire and cable industry plastic standard
As we all know, sheath material plays an important role in protecting optical cable. The type of optical cable also changes with the variety of sheath material. If the sheath material uses low
Tool industry plastic standard
In 2015, the European Union issued a new safety standard for electric tools en 62841-1:2015 "safety of hand-held, portable electric tools and garden tools - Part 1: General
Tableware industry plastic standard
Melamine tableware is made of melamine resin powder by heating, pressing and other molding process, which belongs to a kind of high molecular polymer. Compared with ceramic
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