Shenzhen Allied Control System Co., Ltd. (HOFFMANN), is located in Shenzhen City of China, very close to Hong Kong, with the area of about 5,000 square meters, it was established in 2003.

Why HOFFMANN?
1: 10 Years' Business Experience in Control Boards.
HOFFMANN has been a professional designer & manufacturer for 10 years in:
1) Room thermostats for air conditioning systems (wire or wireless control)
2) Control boards for flame control house appliances and air conditioning systems
3) Control boards for solar systems
4) Switch power supplies

2: Best Solution And Service For You.
Our engineers are full of experience of selecting the right components for the whole solution. Our software engineers have full knowledge and are familiar with the following microprocessors: ST Microelectronics MCU, Atmel MCU, Microchip MCU, Holtek MCU, Samsung MCU, etc. They have good skills to help customers achieve the target and realize the required function. Our strict testing program will ensure the software reliability.

Our hardware design engineers have skills to design control boards at low costs in a compact way. All prototypes will go through a series of EMC testing, environmental testing and life cycle testing.

Our Mission: Better Quality with Better Control.
What we supply is not only professional solutions, but also extended service. Any trial production and mass production will be done according to our production rules or customers' rules.

3: We Have Advanced Production Machines
1) Middle speed SMD machines: 3 sets
2) Wave Pb-free soldering machines: 2 sets
3) 9 production lines
4) Complete cable assembly lines
5) Inline circuit testers (ICT): 2 sets
6) AOI checking systems: 2 sets
7) Automatic function testers (ATE): 5 sets
8) 4Laboratories with EMC testers
- Gas Appliance Burning Lab
- EMC & Thermal Environmental Test Lab
- Solar Control System Lab
- Life Cycle Test Lab

4: Quality Assurance System
1) CE ,RoHS& ISO9001:2000 certified
2) Membership of opentherm
3) All incoming components have tracing records and checking records
4) All processing procedures have production records
5) Each control board has production tracing records
6) Each control board has to pass 3 final checking procedures: ICT testing, ATE testing & function testing with load.

5: Our products conform to the follow standard:
1) EN60730-1 Specification for Automatically Electrical Controls for Household and Similar Use (Including Amendments)
2) EN60730-2-7 Specification for Automatic Electrical Controls for Household and Similar Use; particular requirements; timers and time switches
3) EN60730-2-9 Specification for Automatic Electrical Controls for Household and Similar Use; particular requirements; temperature sensing control in accordance with EEC Directives:
4) B.T.73/23/EEC EU B.T.73/23/EEC directives
5) EU E.M.C89/336/EEC directive and 93/68/EEC Amendments directives
Our quality assurance can guarantee that all of the electronic boards meet customers' requirements.

6: Our Team
1) Total employees: 250 persons
2) Software engineers: 18 dedicated engineers
3) Hardware engineers: 12 dedicated engineers
4) Management: 60persons
5) Workers: 160 persons
Among all employees there are 31 persons with bachelor degree or above.