Trustar scientific & technology Co., Ltd is a technical and business development partnership featured in providing innovative automation and control system solution, service to industrial in China.

With more than 10 years operation in industrial control business, Trustar has accumulated abundant experiences and expertise in making automation and control proposal, system configuration and integration, product sourcing and procurement, sale and distribution.

Trustar is one of the co-partners and distributors for Siemens for a long term. With the two qualifications (Siemens PI & AS), Trustar can give out the whole solutions from the instruments to the upper controller (PLC, DCS etc).
With the technology development of loss in weight (LIW), Trustar has become to be an exclusive corporation company authorized by Siemens which provides Loss-In-Weigh Feeder in China since 2009.

Trustar business Scope:
Technical services
- Industrial control project
- Special application proposal, execution, system integration
- Factory control system maintenance, retrofitting, migration

Hardware supports:
- Process analytics
- SIWAREX weighing systems
- Field devices
- Panel instruments
- Programmable controllers: S7, S5, HMI serials

Siemens PLC:
S7-200CN, S7-200, S7-300, S7-400 etc.
Frequency Converters, SITOP Power Sets, Ethernet Cards,
Profibus cable and Interface cards

Stocks are always available in large quantities
Siemens HMI:
OP serials: OP270-6, OP177B, OP277-6 etc.
TP serials: TP178micro, TP277-6, TP177A, TP177B^. Touch panels
MP serials: MP277-8, MP277-10, MP377
Stocks are always available in large quantities
Siemens INSTRUMENTS IN FIELD
Electropneumatic positioner: 6DR4004, 6DR5, C73451, 6DR19, 6DR20, 6DR21, 6DR24^.
Transmitters for pressure: 7MF****
Transmitters for level: 7ML****
Transmitters for temperature: 7NG****
Weighing electronics: 7MH4601, 7MH4710, 7MH49**, 7MH41**, 7MH31**