Public Hop Hing Electronic Technology Co., Ltd. is a professional PCB manufacturer. The main production of single-sided, multi-layer; Shen Jin, sprayed tin; ordinary and photographic plate, on production of 10,000 square meters. The factory has an independent design, copy-capacity, strong technical force. Has extensive production experience, advanced imported equipment, improve the management options for customers to choose from. The company has a complete high-precision equipment imports, mainly of high-quality imported sheet (both certified by UL) is mainly used FR4 (fiberglass 0.4mm-3.5mm). At high quality, high efficiency to meet customers' different requirements, the minimum line width up to the minimum distance up 4mil 5mil, the smallest vias 12mil. The company's commitment: to meet customer demand. Company Mission: strictly credibility, not seeking floating profits, better and stable development. The company's goal: to establish a good corporate image in the industry. Let your business add luster. Products include about family: (1) MLB (4-8 layers) minimum thickness of four panels: 0.6㎜ (24mil) six boards Minimum Thickness: 1.00㎜ (39mil) eight-board minimum thickness: 1.20㎜ (47mil) (2) single and double sided sheet: FR-4 Thickness: 0.2 mm (8mil) to 3.5㎜ (138mil) copper foil thickness: 1 / 4OZ (9um), 1 / 2OZ (18um), 1OZ (35um), 2OZ (70um), 3OZ (105um) (3) full board gold plate nickel layer thickness: ≥2.5um gold layer thickness: 0.05-0.1um or according to customer requirements (4) Surface Mount Board (COB board, CSP board, BGA board ) HASL tin layer thickness: ≥2.5um-5um surface antioxidant treatment (5) high-precision ultra-fine wire board minimum line width: 0.10㎜ (4mil) minimum line clearance: 0.08㎜ (3mil) Minimum aperture: 0.20㎜ (8mil) plated through-hole tolerance: ± 0.076㎜ (3mil) non-plated through hole tolerance: ± 0.05 mm (2mil) holes Accuracy: ± 0.05 mm (2mil) PTH depth ratio: 6: 1 (6) gold-plated plug board , buttons gold plated plate (7) KEY carbon plate, carbon (silver) deck (8) Max size of single, double panel: 530㎜ × 630㎜ (21 "× 25") MLB: 500 mm × 600 mm (20 "× 24") (9) solder mask type: Liquid photo solder, solder thermosetting, UV-curable solder Color: any color (10) Electrical Test Test voltage: 50V-300V conduction: 5 -1000ohms (11) CNC gong minimum distance to the edge of the plate line: minimum distance 0.15㎜ hole to edge: 0.2 mm smallest form tolerance: ± 0.15㎜ (12) Cheat chamfer angle: 30 degrees, 45 degrees, 60 degrees Depth: 1-3㎜ (13) V-CUT angle: 30 degrees, 35 degrees, 45 degrees Minimum size: 80 mm × 80 mm of business: (1) the principle of professional PCB design, layout. (2) the processing of single-sided, multi-layer; gold, HASL, immersion gold. (3) rigid circuit board (single, double, multi-layer PCB) prototype Express Plus: (12 hours to 24 hours, 48 ??hours expedited small quantities of plywood) (4) environmentally friendly circuit board (ROHS correspondence, excluding six hazardous substances) (5) mobile phone, memory, Bluetooth, high precision buried blind plate, model quantities can be produced. Contact: Wei Fei-mail: zhx2468pcb@163.com customer complaints 24 hours 1.3.5.5.4.9.1.3.9.4.2 Wei Huizhou Address: Ma Beizhen Boluo Dragon Industrial Zone, Huizhou, Shenzhen Address: Shenzhen Baoan Fuyong Town Bridge Tower, Room 406 Weifeng