Contact Us Shenzhen Tianzhengda Electronics Co., Ltd Telephone18566260198 16620919568 13058162274(24-hour service hotline) Mailboxhuangxingsheng@lcdstar.com Address4th to 6th floors, Building 25, Horticultural Park Industrial Zone, Qianjin 2nd Road, Bao'an District, Shenzhen Tianzhengda QR code of official account