Manipulation devices  Manufacturers, Traders, Suppliers

Nanbei Instrument Limited is affiliated to Nanbei International Group Limited.It has exported products to more than 100 countries around the world for 20 years , and it is one of the largest and the most comprehensive instrument and equipment manufacturers in China. It integrates research , development , production and sales as one of the independent legal personality persified technology group. NANBEI has obtained ISO9001:2015,SGS,TUV certification ,and our products have EU CE, RoHS and CNAS certification.We are headquartered in Zhengzhou, China,and have offices in Beijing,Shanghai, Shenzhen and Hong Kong.
NANBEI main business involves lab instruments, life science equipment, ice machines, electrochemical analysis instruments, optical instruments, medical equipment, physical testing instruments and equipment, environment equipment/flow meter, industry-specific equipment, drug testing equipment, seeds, equipments, agriculture and food equipment, petroleum equipment, coal equipment, surveying instruments, construction equipment, road equipment, geological equipment, reagents supplies, weather instruments,environmental equipment and other products. We have won the trust and support with persified business model, professional technology,high-tech equipment,excellent work ethic, excellent business reputation,high quality products and perfect after-sales service in the course of business. We are trying to set up the global regional service agents,and NANBEI is being in the Asia Pacific region Equipment Industry- leading brands.
The involved products of our company are throughout the universities, research institutes, factories and enterprises, chemical and pharmaceutical, medical, inspection, agriculture, food, super, metallurgical mining, construction, petroleum, roads and bridges and other industries, products with superior performance. Based on fast attentive service, great value, exports more than 100 countries and regions, out products are alike by domestic and foreign merchants. In the production process,we strictly enforce product manufacturing requirements. And we have established a complete quality management system,so the product quality has a reliable guarantee.

After more than 30 years' rapid growth since the foundation in 1990, CASTECH INC. has become a recognized leading supplier of crystals, optics and laser components in the world. In 2008 CASTECH successfully completed IPO in Shenzhen stock exchange. (Stock Code 002222) Today, at our 450,000 sq ft advanced facility, over 1000 employees are dedicating to satisfy customer needs in terms of performance and cost effectiveness.
Crystals for Laser and Telecom Application:
With more than thirty years' untiring effort, CASTECH has developed flux, Czochralski, water solution and Bridgman-Stockbarger crystal growing technology, now is a worldwide leading supplier with largest mass production lines in the world for LBO, BBO, Nd:YVO4 and KTP. In addition, we also provide CLBO, BiBO, KDP, KD*P, Yb:CALGO, Yb:KGW, Ti: Sapphire, TGG, TSAG, α-BBO and other crystals for laser and telecom industries.

Zhejiang Crystal Optoelectronic Technology Co., Ltd. (COT) was founded on August 2, 2002 and listed on the Shenzhen Stock Exchange on September 19, 2008 (stock code 002273). In 2022, total revenue reached 43.76 billion yuan, with year-on-year growth of 14.86%, and the net profit climbed up to 5.95 billion yuan.
Over the past twenty years, COT has been a global optical expert in the field of information transaction, providing one-stop professional services from core components up to modules and solutions. At present, the company is involved in R&D and manufacturing process in five major industrial sectors, and its products include Optic Components, Thin-film Optics, Semiconductor Optics, Automotive Electronics & AR+, Reflective Materials, etc. The company has more than ten wholly-owned and controlling subsidiaries, and participates in multiple enterprises such as Japan Guangchi Co., Ltd., Ningbo Jishi Investment, Wuhan Wuyi Yuntong, Jingbang Optics, and Zhaoge Digital.
Our products span from Consumer Electronics, to Automotive Electronics and Metaverse. For Consumer Electronics, products such as Infra-Red Cut Filter (IRCF), Camera Cover Glass (CG), Narrow Band Pass Filter (NBPF) help COT to rank among the world's top producers and sellers. Our core competitiveness lies in its leading global technology integration ability to combine "Thin Film Design, Micro Nano Optic Techonology, Optic Cold Forming, and large-scale Automation" together. For Automotive Electronics, Head Up Display (HUD), Car Cams, and LiDAR window glasses have all been applied to the products and services of globally renowned vehicle manufacturers. For Metaverse, AI and display technology have developed rapidly in past few years, and COT has laid out a full technology path in the AR field to help incubate technology giants in mass production. In addition, the reflective materials produced by Zhejiang Yeshili, a wholly-owned subsidiary of Crystal Optech, have maintained a leading technological position in China for many years.
Looking into the future, with diversified application of Optics across different fields, the global optical industry has ushered in a golden opportunity. Crystal Optech will adhere to the guiding principle of "globalization, technology-oriented, and open cooperation", uphold the business philosophy of "be noble in life, be excellent in work", shoulder the mission of "innovation makes optics stronger, optics makes the world a better", and strive to "become an outstanding one-stop optical expert in the world"!

Nanjing AIYI Technologies Co., Ltd. is a National High-Tech enterprise that combines the R&D, production, and trading of optic-mechanical-electric products. We are dedicated to providing complete industrial gas safety solutions & dust safety solutions.

AIYI Technologies is located in Nanjing, China, a technologically advanced city. We have been adhering to the motto of “Scientific innovation, Specialized dedicated” with our special focus in safety solutions. AIYI Technologies insists on independent R&D and production, offering solutions for industrial combustible and toxic gas detection, solutions for dust monitoring, and solutions for gas analysis. Our featured products are portable gas detectors and fixed gas detectors, online gas analyzers, and dust monitors.

With many years of development, AIYI products have been widely used in hundreds of countries and regions, and it also has covered the businesses in industries of oil and gas, pharmaceuticals, chemicals, automobile, heating, municipal engineering, water treatment, fodder, and food. The product quality and professional service of AIYI Technologies have been highly regarded among our worldwide clients, and We have already been the leading in the China safety industry.