Specialist of contract manufacturing of technical parts in China
for electronic and automotive industries.
Product lines Service provided
PCB Network use of more than 50
Metal parts manufacturing partners in China
Cables and connectors Technical support
Power supply Quality support
PCBA (PCB Assembly) Sales services
LED Logistic management
Keyboards and keypads
20 years experience, including 7 in China
Office in France (Paris) with customer support. Total staff 15.
Office in China (ChangAn town ,DongGuan, GuangDong province) with technical
specialist for each product line. Total staff 55.
Languages : English, Chinese, French, German, Japanese, Russian, Spanish.
Ability for sourcing according to specific technical need.
Head office : 231, rue Saint Honoré 75001 Paris – France
Status : SARL
Website : http://www.francois-freres.com
Network use of over 50 manufacturing partners in China
ISO 9000 certified minimum; most suppliers also are QS 9000 or ISO/TS 16949
certified, several also passed ISO 14000 certification.
Overseas Chinese managed only.
Several years of proven-track experience with those suppliers.
FRANCOIS FRERES informs you about all the different technologies available in China.
Our specialists will help you to make the best technical choices for your products
Design & Process co-development: FRANCOIS FRERES supports your project at early
development stage for cost-optimization before submitting it so suppliers for quotation.
High quality level guaranty thanks to our strong organization and our suppliers’ survey
China office intervention upon request to solve any quality issue.
All suppliers are used to work in conformity with all the highest quality international
FRANCOIS FRERES provides complete sales services, both in China and western
Detailed prices offer (DDP or DDU) for several batch sizes.
Time - Quality - Quantity optimization
Transport, customs clearance, stocks, consignments stocks and deliveries.
Several transportations mode available: air, sea-air, sea, express.
Highly competitive rates.
Double Side PCB
• Standard double sided PCBs with copper plated through holes : minimum track width 150
• Sophisticated double sided PCBs with copper plated through holes : track width under 150
microns, small holes, thin raw material, etc..
• Standard double sided PCBs with silver through holes : holes 0.5 mm, track width 200
microns, pitch = 1,2 to 1,5 mm . Screen printing process or roller coater process.
• Sophisticated double sided PCBs with silver through holes : holes 0.45 mm, track width 150
microns, pitch = 1 mm . photo process with roller coater.
• Double side PCB with copper paste through holes.( CPTH technology )
Finishing : organic coating, HASL lead free, Flash plating NIAU, immersion chemical NIAU,
immersion tin, immersion silver.
Cutting : V Scoring, routing, punching.
Raw material : CEM3, FR4 for DS PTH, FR1, CEM1 for DS STH
Other : Carbon keypad, peelable mask.
• Standard multilayers 4 and 6 layers (minimum track width 150 microns)
• Sophisticated multilayers 4 and 6 layers (track width under 150 microns)
• Multilayers from 8 to 20 layers.
• HDI ( high density interconnection ) multilayers. ( laser drilling or
mechanical holes )
• Back panels up to 20 layers.
Finishing : organic coating, HASL lead free, Flash plating NIAU, immersion
chemical NIAU, immersion tin, immersion silver
Cutting : V Scoring, routing.
Raw material : FR4, FR5, high Tg.
• Single side FPCB (roll to roll and panel to panel) : polyimide, polyester, PEN
• Double side FPCB low cost (roll to roll and panel to panel) : polyimide or PEN
• Multilayer polyimide (with or without adhesive)
• Flex rigid and sophisticated flexible PCBs (with or without adhesive )
• Flexible PCBs with connectors, stiffeners, tape, components, etc.
• PCBs with very small tracks : up to 50 microns track width
• Flexible PCB with air gap ( mobile phone application)
• Flexible PCBs with double access
Raw material : Polyimide, polyester or PEN
Raw material with or without adhesive
Cutting by punching ( hard tool or/and soft tool )
Finishing : Bright SNPB, flash plating NIAU, immersion tin, immersion chemical NIAU, organic coating,
HASL lead free,
Soldermask : coverlay, photoimageable ink ( LPI), thermal ink, UV ink
Other : with silver ink shielding
Special Types PCB
• Teflon PCBs. ( high frequency application )
• Double sided PCBs stick on metal heatsink (engine electronic control or military
• COB ( chip on boards ) PCBs (for soldering : gold, aluminium or silver wires)
• Mother boards PCBs (with impedance controlled requirements)
• Very long PCBs
• Credit card PCBs
• Thick copper PCBs . ( single side, double side, multilayers )
• Hybrides circuits
• Golden PCBs for automotive contact application.
• Multilayers PCBs with Invar or Molybdene internal heatsinks
Sheet cutting & bending
Painting & anodization
Cables & Connectors
Fiber optic products
Standard cables assembly (RJ45, RJ11, USB,…)
Wires (multi wires, twisted, shielded, teflon,...)
AC POWER CORD
Standard connectors blocks
Flat connectors assembled or not
Sub systems / cables assembly
Range extender antenna
Power supplies, chargers,
Consumer-product power supplies
(AC-AC, AC-DC, DC-DC)
Coils and transformers
Coils upon specifications
Small to medium range transformers
SMT (Surface Mount Technology)
IMT (Insert Mount Technology)
ICT (In Circuit Tester)
FCT (Functional Circuit Tester)
Note: current situation (suppliers, components
supply chain and obsolescence) does not
allow us to offer many types of PCBA
OLED (Organic Light Emitting
LED lamps & SMD LED
LED panels & assembly
Dot Matrix Display
LED soft bar
High Power Super Flux LED bar
TN (Twisted Nematic)
STN (Super Twisted Nematic)
FSTN (Film compensate Super Twisted Nematic )
DSM (Design Standards Manual)
TFT (Thin Film Transistor)
CSTN (Color Super Twisted Nematic)
HTN (High Twisted Nematic)
DFSTN (Double layer Film Super Twisted Nematic)
DSTN (Double layer Super Twisted Nematic)
COB (Chip On Board)
COG (Chip On Glass)
COF (Card On Foil)
TAB (Chip on Tape Automatic Bonding)
Keyboards and Keypads
Silicone, rubber, TPE
Inserts, printing, laser marking, over
Large & transparent parts
Membrane switch keyboards
and front panels
Polyester boards with polymer silver
tracks and carbon keypads.
Front panels by screen printing
Assemblies including components,
Electroluminescent ink, touched
screens, four-colors front panels, very
Over-molding on plastic
Transparent raw material
Reinforced raw material
Special raw material
IMD (In Mold Decoration)
Most of our suppliers master several
technologies, and can usually subcontract
Please consult us directly on specific project
About Our Customers
Our customers are medium to Industry
large size companies.
They believe in our service and its
efficiency (cost, quality, reliability). Telecom
EUROPE / FRANCE CHINA
François Frères SARL François Frères Representative office
231, rue Saint Honoré #9 CiBi District, LianHua Villa
75001 Paris ChangAn, DongGuan, GuangDong
firstname.lastname@example.org Phone : 0086-76981606001
Fax : 0086-76981606002