ISO9001,CE, ROHS, SGS approval and IEC report

 天津格威科技有限公司专业设计和生产各种变压器，互感器，线圈等产品，主要用于通信，电子，仪器，工业控制和医疗设备等领域；同时也提供仪表和探测器等设备，公司85%的产品主要出口美国，欧洲和亚洲等。
    公司通过ISO9001，CE,，SGS 认证和IEC 报告。格威科技以优质的产品、增值的技术服务和高效的方案与客户们保持着长期良好的合作且赢得客户的一致好评。 

产品:

	Toroidal Power Transformer with Winding Machine	Basic Info Model NO.:GWB0655 Usage:Single-phase Transformer Frequency Characteristics:Power Frequency Shape of Core:Ring Brand:Grewin ...
	Power Amplifier Transformer for Audio Equipment	Basic Info Model NO.:30va 50va 100va 200va 500va 600va 650va 700va Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Character...
	Single Phase Power Toroidal Transformer for Audio Amplifier	Basic Info Model NO.:GWB2348 etc. Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Characteristics:High Frequency Shape of Cor...
	Power Supply Toroidal Transformer for Audio	Basic Info Model NO.:GWB2459 etc. Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Characteristics:High Frequency Shape of Cor...
	Copper Core Distribution Toroidal Transformer for Audio	Basic Info Model NO.:GWB2348 etc. Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Characteristics:High Frequency Shape of Cor...
	High Effiiency Audio Toroidal Transformer with ISO9001: 2015	Basic Info Model NO.:GWB2348 etc. Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Characteristics:High Frequency Shape of Cor...
	Copper Toroidal Transformer for Audio Equipment	Basic Info Model NO.:GWB2459 etc. Usage:Single-phase Transformer Frequency Characteristics:Power Frequency Shape of Core:Ring Brand:Gr...
	110V-230V Epoxy Potting Audio Amplifier Toroidal Transformer	Basic Info Model NO.:GWB2459 etc. Shape of Core:Ring Brand:Grewin Type:Toroidal Transformer Input:220-240VAC Output:220-240VAC Power...
	High Efficiency Toroidal Transformer for Audio Equipment	Basic Info Model NO.:GWB1207 etc. Shape of Core:Ring Brand:Grewin Type:Toroidal Transformer Input:220-240VAC Output:220-240VAC Frequ...
	Silicon Steel Inverter Toroidal Transformer for Impedance Converter	Basic Info Model NO.:GWB1207 etc. Shape of Core:Ring Brand:Grewin Type:Toroidal Transformer Frequency:50Hz/60Hz Usage:Power, Electron...
	Manufacture 220V 24V Toroidal Transformer for Device Monitoring	Basic Info Model NO.:GWB1208, GWB1302, GWB1309 Insulating Medium:Class B or IP66 Installation:Power Toroidal Transformer China Magnetic...
	220V 24V Toroidal Transformer for Audio	Basic Info Model NO.: GWB Diameter=88mm,Height<=42mm: for Electronic Control Aluminum Wire: 5va Aluminum Enamel Wire Transformer: 5000va 10va: M...
	50va 24V Audio Toroidal Transformer with Low Loss Leakage	Basic Info Model NO.:50va 60va 80va 100va 105va transformer CE Toroidal Transformer for Lighting:Minature 30va Max 5000va Transformer ...
	50/60Hz Audio Toroidal Transformer with IEC Certification	Basic Info Model NO.:GWB1207 etc. Usage:Power, Electronic, Audio, Instrument, Rectifier, Frequency Characteristics:High Frequency Shape...
	220V 12V Power Audio Amplifier Toroidal Transformer for DVD	Basic Info Model NO.:30va 40va 50va 60va 100va 120va 150va 200va 300va Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Chara...
	Power Amplifier Ring Transformer Audio Transformer Power Transformer	Basic Info Model NO.:105va 260va 540va 630va 900va 1300va 3200va 4600va Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Char...
	Audio Transformer 100W for Telecommunications 220V 380V Transformer	Basic Info Model NO.:100va 300va 500va 1000va 2000va 4000va 6000va Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Character...