青柠影视最新免费观看电视剧,最美情侣免费观看高清版芒果,原声船戏，请戴好耳机无背景音乐

Qualification and Certificate

• Grade 1 Contractor in Electrical & Mechanical Installation Engineering
• Grade 1 Contractor in Electronic and Intelligent Engineering
• Grade 2 Contractor in Fire Facilities Engineering
• Grade 2 Contractor in Building Decoration and Decoration Engineering
• Grade 2 Contractor in Waterproof Anti-corrosion Insulation Engineering
• Grade 2 General Contractor in Construction Engineering
• Class-B special certification of architectural? intelligent system design
• Grade 2 General Contractor in Petrochemical Construction Engineering
• Grade 2 General Contractor in Municipal Public Engineering
• Grade 2 General Contractor in Electrical and Mechanical Engineering
• Grade 2 Contractor in Steel Structure Engineering
• Grade 2 Contractor in City and Road Lighting Engineering
• Grade 2 Contractor in Environmental Engineering
• Special grade B for architectural decoration engineering
• Pressure Pipe
• Safety Production License
• Medical instrument business license
• Bank of China AAA Credit Rating Certificate