Security Door - Long Rui Hua Xin is a modern professional enterprise specializing in production, design, manufacture and sales. The company has advanced production equipment, the company relies on its own strong technology, strength, combined with domestic actual conditions to develop a series of domestic products. The craft is unique and exquisite, the appearance is luxurious and elegant, the quality is sturdy and durable, the installation is simple, and it has the characteristics of anti-corrosion and anti-corrosion. It is the first choice product for residential houses, financial systems, financial archives departments and warehouses.
  After years of unremitting efforts and pursuit, adhering to the " quality, speed, service " corporate purposes, with the " all efforts, continuous improvement " style, began to enter a new era of brand and service. Better product quality, faster delivery time, better after-sales service customer satisfaction is the goal of Long Rui Hua Xin people. Long Rui Hua Xin people's professional spirit is perseverance in pursuit of perfection, dedication Create a safer, warmer and better home for our customers.
Security door
   Rolling shutter accessories
Zhejiang Sealand Technology Co., Ltd. is a trustworthy manufacturer of Mass Flow Meter Coriolis, Flow Meter Coriolis, Mass Flowmeter Coriolis, Mass Meter Coriolis, Meter Coriolis, Flowmeter Coriolis, ISO/ IEC 17025 standard.
Sealand meter is certified by Zhejiang Institute of Metrology. To get such certificate, Sealand has to send all models to Zhejiang Institute of Metrology and all models are tested in their calibration lab. The lab is an ISO/IEC 17025:2005 standard lab approved by CNAS (China National Accreditation Service for Conformity Assessment). CNAS is a member of ILAC (International Laboratory Accreditation Cooperation).
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Zhejiang Sealand Technology Co., Ltd. , https://www.sealandflowmeters.com