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High brightness t8 tcob and cob 10w 14w 18w 22w led tube light with ce rohs certification for shopping market office decoration .high thermal conduct ul rohs fujian led pcb factory design 94v alu supplier light tube led t8 tube pcb board assembly with tcob chip .The new tcob mcob cob led tube light Series, however, appears to use a single light source along with a large secondary optic with reflective properties. At press time, wanban had not confirmed the type of LED tube light used. It could be a top-chip-on-board (TCOB) LED, although the source appears triangular in shape. That appearance, however, could be a distortion by the optic of a circular TCOB.Wanban, a global manufacturer of LED tube lighting products, has introduced an LED 4¡¯ direct replacement lamp, which is guaranteed 100% compatible with ALL fluorescent ballast brands and models. That¡¯s right.Around 2010, and a lamp, can be sold for a hundred dollars, now more than ten dollars can buy. Li Wei, pointing to an LED lamp on the wall said, because very fierce price war , in recent years the rapid decline in gross profit enterprise. He sorely missed from 2009 to 2011, the years of the scene: industry prospects, fewer competitors, “lying” in the number of money.