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BT substrates material is a sort of substrate material utilized in the creation of BT (Bismaleimide Triazine) printed circuit sheets (PCBs). A substrate is an establishment material used to fabricate electrical circuits on a printed circuit board (PCB). Contact Info:- High Quality PCB Co., Limited Office: Shajing Town, Baoan District, Shenzhen, Guangdong 518000, China Plant 1 address: Building 5-6, Fu Qiao 3rd Industrial Zone, Bao' an, Shenzhen, Guangdong, China Plant 2 address: Zhuhai, Guangdong, China Plant 3 address: Dongguan, Guangdong, China TEL: +86-755-23724206 WhatsApp: +86-189 2381 2997 Skype: shawnwang2006 Email: sales@efpcb.com