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Covering an area of approximately 230 acres, Langtai special welding material project has been approved by Henan provincial development and reform commission as a major program. Its special welding materials produced within this project are copper based brazing filler metal and silver based brazing filler metal for welding non-ferrous metal and alloy, both of which are widely applied in the following industries, namely refrigeration, aviation, automobile, petrochemical, machinery and electronic products, and instruments, etc.

Founded on March 28th 2008, Longteng refrigeration technology co., Ltd covers an area of approximately 43 acres including a planning construction area of about 24 acres, is a wholly owned subsidiary by Golden Dragon Precise Copper Tube Group Inc. Integrating manufacture and sales of energy-efficient heat exchanger for air conditioner and automobile air conditioner assembly in house, we has introduced the worldwide top advanced modern equipments¡ª¡ªthe NB brazing furnace from Kanto metallurgical Co., Ltd. and the automatic high-speed fin forming machine from KURODA. As a strong strength company in technology, our design and research for vehicle air conditioner can be synchronized with the development of automobile manufacturing enterprises; with a planning annual production capacity of 5 million sets in three phases for construction, we has now already realized a production capacity of 500,000 sets.

Xinxiang Jinlong Ecological Breeding Co., Ltd was founded by Xinxiang Zhongsheng Industrial co., Ltd on April 28th 2006, the location in Gebukou Town, Yuanyang County where borders No. 310 Provincial Highway and Beijing-HongKong-Macao Expressway makes its convenient transportation. Covering an area of over 266 acres including 153 acres of fish pounding, our company is larger in region in the terms of aquaculture base with a complete set of feed production line. We were successively certified as aquaculture healthy aquaculture demonstration area by the Ministry of Agriculture in 2006, provincial pollution-free agricultural products producing area by the Agriculture Department of Henan Province in 2007, aquatic breeding farm at the municipal level by Xinxiang Municipal Agriculture Bureau in 2008, agricultural technology standard production demonstration base by the Ministry of Agriculture in 2009, and the aquatic product such as crucian, carp, grass carp and black carp, etc attained nuisance free agricultural product certification at the same year. The recreational fishing center covers an area of nearly 10 acres, in which sets fishing, dining, and aquatic entertainment as a whole. Besides, we also have 0.6 acres of pickles production workshop, 1.2 acres of excellent bleachery for pickles and three greenhouses that covering 0.7 acres where grow nearly 50,000 colorful butterfly orchids that will be sold to cities like Taiyuan, Zhengzhou, Xinxiang, etc during Spring Festival.

Xinxiang Dongyang Metal Products Co., Ltd., typically featured with high precision, automation, technology intensive technological equipment, has been engaging in production of copper, aluminum, iron and their alloy metal parts that are used in refrigeration cycle and high-grade building plumbing. Its productions are as follows, copper products ---- one-way valve, filter, liquid separator, muffler and extrusion parts; brass products ---- brass fittings, brass nut, brass liquid distributor and cut-off valve; above which covers all the copper fittings on air conditioner. Our major clients are GREE, Midea, Haier, Hisense, Kelon and other major air conditioning companies. Supporting by the raw materials and advanced detection methods from parent company---GD COPPER, we guarantee our product quality to all the clients.