DONGFANG ELECTRIC CORPORATION

Tel 86 28 87583610Fax 86 28 87019555Email email@dongfang.com.cnAdd 333 Shuhan Ave., Chengdu 610036, P.R.ChinaHttp://www.dongfang.com.cn

DEC Solar

Brief Introduction TO DEC’S SOLAR POWER

Dongfang Electric Corporation (DEC), with its headquarter in Chengdu, the capital city of Sichuan Province, which named as the “Heavenly Land on Earth” and the “Hometown of Giant Panda”, is one of the largest backbone enterprisegroups under the direct administration of Chinese Central Government.

With the development over half a century, DEC has become a comprehensive group specialized in manufacturing industry, R&D of cutting edge technology, contracting international engineering projects, exporting complete plants and equipment, and international economic and technical cooperation. Due to its distinguished capacity and contribution, DEC represents the top class technological and manufacturing level for China’s heavy machinery and equipment industry, and is appointed by the Central Government as one of the most important state-owned enterprise groups concerning the national economy of the country. With its comprehensive technical R&D abilities, DEC is honored by the Central Government as a National Research & Development Center. DEC not only achieved the annual production of power generating equipment for more than 30,000MW consisting of hydro, thermal, nuclear, wind, combine-cycle generating unit, presently enjoys one-third domestic market share in thermal power and two-fifths in hydro power, but also has been diversifying its manufacturing industries to various fields such as desulphurization and demystification, heavy-duty machinery, power transmission, hi-voltage large power frequency converter, solar grade silicon, industrial control devices,

chemical and maritime equipment and so on. Being an active international Contractor, DEC has gained recognition worldwide and been selected as one of The Top 225 International Contractors in the world for many years by the well-reputed Engineering News Record of USA since 1996. DEC possesses capacity to provide the complete sets of coal mining equipment as well as Metallurgical Machinery including complete set of coke Over Machinery, steel rolling equipment, Continuous Casting Equipment, Metal Smelting Equipment, Metallurgical Cars, and heavy castings & forgings, etc. tomeet the requirement of steel plants and other related industries.

As a major player in the region of environmental protection, DEC also supply high-tech solution as well as equipment for energy saving in mining and Metallurgical industry, etc.

DEC has the dual aims to achieve business diversity, while at the same time increasing market share by leveraging our global competitiveness. Towards these ends DEC is making its best efforts by focusing on customer satisfaction, enhancing the investment in R&D and making its operations more efficient. With its constant attention and orientation towards the needs of the customers and the market for manufacturing industry and international project contracting, DEC, a company from a historical and ancient land, is embarked on striving towards the goal of becoming a domestically leading and internationally competitivegroup.

Crystalline Silicon

wafer

Solar cell

Solar Module

inverter

Mounting system

Battery and others

Outline of DEC Solar Brochure:1 、 Introduction 公司介绍，包括全产业链，设计集成能力，生产能力，售后服务能力，产品质量好等。2 、 Products晶体硅，硅锭 / 硅棒 , 切片， 电池片，组件，逆变器，支架，蓄电池等每个产品的特点和基本规格参数介绍，配以相关图片。3 、 Comprehensive solution for PV system 展示成套能力， BIPV （屋顶，建筑一体化工程），车棚，独立系统。包括项目咨询设计，安装，调试运行，售后服务等， EPC 能力4 、 Typical project 如有，可以简单举例说明，

Mono crystal line silicon –solar cell dead –square wafer

• Emei Semiconductor Material Factory —— China‘s first semiconductor material production, prototype, research company. Annual production of Poly silicon is up to 2,200 tons.

Poly Si Casting Production Line

Mono Si Production Line

1500 Tons Poly Silicon Production Line

Mono crystal line silicon –solar cell dead –square wafer

specification

100mmx100mm dead-square wafer

125mmx125mm dead-square wafer

156mmx156mm dead-square wafer

Side length(L,mm) 100x100±0.5 125x125±0.5 156x156±0.5

Diameter(Φ,mm) 125±0.5 150±0.5 200±0.5

Thickness tolerance(μm) ≤20μm

Total thickness variation((TTV,μm) 220μm±40μm≈200μm±30μm

Warp(μm) ≤50μm

DEC's Solar Energy Chain-solar cell & panel

We focus on 156 mm*156 mm (6 inches) Mono& Poly solar cellsWe focus on 156 mm*156 mm (6 inches) Mono& Poly solar cells

DEC's Solar Energy Chain-solar cell & panel

• Category: mono crystalline silicon solar cell• Dimension: pseudo-square 156 mm × 156 mm ± 0.5 mm• Diagonal: 200 mm ± 1.0 mm• Thickness: 200 µm ± 30 µm• Front (-): blue color SiN x antireflection coating• 2 × 1.8 mm silver bus bars• Rear (+): full-surface aluminum back-surface field• 2 × 2.5 mm silver/aluminum soldering pads

• Category: multi crystalline silicon solar cellCategory: multi crystalline silicon solar cell• Dimension: 156 mm × 156 mm ± 0.5 mmDimension: 156 mm × 156 mm ± 0.5 mm• Thickness: 200 µm ± 30 µmThickness: 200 µm ± 30 µm• Front (-): blue color SiN x antireflection coatingFront (-): blue color SiN x antireflection coating• 2 × 1.8 mm silver bus bars2 × 1.8 mm silver bus bars• Rear (+): full-surface aluminum back-surface fieldRear (+): full-surface aluminum back-surface field• 2 × 2.5 mm silver/aluminum soldering pads2 × 2.5 mm silver/aluminum soldering pads

• Category: mono crystalline silicon solar cellCategory: mono crystalline silicon solar cell• Dimension: pseudo-square 156 mm × 156 mm ± 0.5 mmDimension: pseudo-square 156 mm × 156 mm ± 0.5 mm• Diagonal: 200 mm ± 1.0 mmDiagonal: 200 mm ± 1.0 mm• Thickness: 200 µm ± 30 µmThickness: 200 µm ± 30 µm• Front (-): blue color SiN x antireflection coatingFront (-): blue color SiN x antireflection coating• 3 × 1.5 mm silver bus bars3 × 1.5 mm silver bus bars• Rear (+): full-surface aluminum back-surface fieldRear (+): full-surface aluminum back-surface field• 3 × 2.5 mm silver/aluminum soldering pads3 × 2.5 mm silver/aluminum soldering pads

DEC's Solar Energy Chain-solar cell & panel-trustable brand in PV industry by quality

• 18.10% plus average efficiency in mass production through advanced

process;• Preeminent optical appearance through inline inspection control;• Excellent mechanical performance

through fully automated handling system;

• 100% hot testing through parallel resistance and reverse

current measuring; • Micro-crack detection through electro-luminescence method.

Energy saving Solution and products

DEC supplies a complete set of solutions and products for the pump & fan’s energy saving in metallurgic, mining and power industries and so on.

High Capacity Current Inverter

High Capacity Frequency Converter