FR4 TG135 4 স্তর PCB সঙ্গে পৃষ্ঠ চিকিত্সা HASL জন্য শিল্প নিয়ন্ত্রণ

Video Description:
Discover the FR4 TG135 4 Layers PCB with HASL surface treatment, designed for industrial control applications. This high-quality PCB supports prototypes and large volumes, meeting UL, TS 16949, ROHS, and ISO certifications. Perfect for telecom, automotive, and smart home industries.
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