... :0.3mm 3.Min Hole Size:0.3mm Dear Sir or Madam,We are PCB manufactory in Shenzhen City, supplying many ... company.If in need , please kindly sent me your pcb Gerber file or you also can send the sample to me we ... Technology Co.,ltdTel: 86-755-21638080 Fax: 86-755-21638035 Office: A619, BinHai Building, Center Area BaoAn, Shenzhen CityFactory: ZhengChengFeng Tech ...