Part of Dow, Inc., LeaRonal, Inc. is an American company located in Freeport, NY, that manufactures specialty chemical additives used by the connector, printed circuit board, and semiconductor industries. It was acquired by Rohm & Haas Co., now a subsidiary of Dow, Inc. on January 25, 1999 for $471.17 million.

Hunan Yongsheng New Materials Co., Ltd., established on 2004-02-17, The scope of business includes the manufacture of metal structures;Metal surface treatment and heat treatment;New material technology research and development;New material technology promotion service;Specialty Chemicals Sales(Free of Hazardous Chemicals);Machinery and Equipment Leasing;Non-residential real estate leases.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zhejiang Wanzheng Electronic Technology Co., Ltd, established on 2002-11-29, Business scope includes general items:Manufacturing of electronic components;Sales of power electronic components;Electronic special material manufacturing;Sales of electronic special materials;Research and development of special electronic materials;Professional Design Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Import and export(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results).

Shengyi Electronics Co., Ltd. engages in the research and development, production, and sale of printed circuit boards. Its products include communication equipment boards, network equipment boards, computer and server boards, consumer electronic boards, and industrial control medical boards. It also offers car electronic boards; high speed rail, aerospace and aviation boards; and package test boards. The company was founded on August 2, 1985 and is headquartered in Dongguan, China.

Shenzhen Suntak Multilayer PCB Co. Ltd., part of Lewei Development Co. Ltd., is a Chinese company that manufactures printed circuit boards.

Guangdong Shuocheng Technology Co., Ltd., established on 2013-05-08, Business scope includes adhesives,Special function composite materials and adhesive products,Production of various tapes,R & D and sales;Production,Sales:Electronic chemicals and related products(Excluding hazardous chemicals);Sales:Chemical raw materials and chemical products(non-hazardous,Strong drug),Resin related products,Electronic equipment and spare parts;Engaged in special functional composite materials and products,functional film,synthetic resin adhesive,adhesive tape,Wholesale and import and export of electronic products.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Ningbo Yinzhou Yada Automobile Fittings Co., Ltd., established on 1995-10-31, Business scope includes general cargo(Operating with a valid license)auto parts,Air Conditioning Fittings,Hardware,Manufacture of plastic parts,processing;Self-operated or agent import and export of goods and technologies,Except for goods and technologies that are restricted or prohibited from being imported or exported by the state.

Atotech Deutschland GmbH engages in the provision of surface-finishing solutions. It offers electronics and general metal finishing. The company was founded in 1993 and is headquartered in Berlin, Germany.

Victory Giant Technology (HuiZhou) Co., Ltd. engages in the research, development, production, and sales of new electronic devices including high-precision circuit boards. Its products are used in computer, network communication, consumer electronics, automotive electronics, industrial control security, and medical equipment industry. The company was founded on July 28, 2006 and is headquartered in Huizhou, China.

Wenzhou Jiabao Electroplating Equipment Co., Ltd., established on 2008-09-18, Business scope includes general business items:manufacture,Sales of electroplating machinery and equipment,Plastic machinery and equipment,Electrical machinery and equipment and after-sales repair services.(law,Except for items prohibited by administrative regulations;Those that should be approved shall not be operated without approval)

Shenzhen Jinyuankang Industrial Co. Ltd. is a Chinese private company that produces automatic plating products.

Guangde Dongfeng Electronics Co., Ltd., established on 2014-07-22, The scope of business includes double-sided,Multilayer printed circuit board production,Sales;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

LG Innotek is a Korea-based company engaged in the manufacture of electronic components for mobile phones, computers, network communication products, and cars. It operates a light emitting diode business, which provides LEDs used for mobile phones and lightings, display and network business, which provides tuners, power modules, wireless modems and Bluetooth, substrate business, which provides printed circuit boards, such as build-up PCBs, radio frequency PCBs and others, package PCBs, tape substrates, touch windows, lead frames and others; optics solutions business, which provides camera modules, voice coil motors (VCMs) and others, as well as automotive & motor (AM) business, which provides sensors and motors for automobiles.

Huizhou Yuxin Electronic Materials Co., Ltd., established on 2011-09-14, Business scope includes general items:Seal Sales;Wholesale of electronic components;Sales of electronic components and electromechanical components;Experimental analysis instrument sales;electronics sales;Integrated circuit chips and product sales;Chemical product sales(No licensed chemical products);Information Technology Consulting Services;IC Design;Sales of electronic special materials;ink sales(Free of Hazardous Chemicals);Gold and Silver Products Sales;Metal Material Sales;Instrument sales.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Delton Technology (Guangzhou) Inc. manufactures multi-layer printed circuit board. The company was founded on June 17, 2002 and is headquartered in Guangzhou, China.

Hunan Nianliu Technology Co., Ltd., established on 2018-09-20, Business scope includes natural science research and experimental development;High-tech research;Metal surface treatment and heat treatment;new material,new device,Installation of energy-saving and environment-friendly products;Sales of eco-friendly materials;Development and construction of computer network platform;Development and construction of e-commerce platform;Research on blockchain technology,to develop;Blockchain Technology Consulting,technology transfer;New energy technology promotion;research and development,Incubation and Transformation;New wear-resistant and anti-corrosion engineering materials,metal products,Research and development of environmentally friendly materials.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guangzhou Haoyue New Material Technology Co. Ltd., part of Guangzhou Sanfu New Materials Technology Co., Ltd., is a company headquartered in China that engages in technology development solutions.

Wuxi Yangshi Surface Treatment Technology Co., Ltd., established on 2003-03-12, The business scope includes technology research and development of surface treatment and heat treatment of metal and non-metal;Surface treatment and heat treatment of metal and non-metal;metallic material,building materials,General machinery and accessories,Sales of electrical appliances and equipment.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Wuxi New Sanzhou Special Steel Co., Ltd., established on 2001-08-24, The scope of business includes the manufacture of rolled metal products,processing,Sales;metal smelting;Production of slag powder,Sales;Waste machinery and equipment,waste electrical appliances,Acquisition of Scrap Metal Materials,Sales;Other metal materials and products,Raw and auxiliary materials for metallurgy,Timber and Products,Chemical Products(Does not contain dangerous goods),building materials,Equipment,Electrical equipment,auto parts,hardware tools,rubber products,Sales of instrumentation;Provide cargo handling within the port area,storage,Logistics Services;Economic Information Consulting Service(Does not include investment advice);Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export);own house,venue,Rental service of equipment and facilities.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)