About Haisheng:

Shenzhen Haisheng Optoelectronic CO., LTD is a professional LED display, HSTV manufacturer. 
It is a high technology which is specialized in researching, designing, manufacturing and exporting 
all kind of LED products. We have our own professional R&D department, engineers, sales department, 
experienced QC and workers.

Currently we design and produce our new type of products, such as HSTV, double
sided led display, one whole body outdoor advertising led display, one whole body led window display.

We focus on looking for the best solution for every customer’s projects and also glad to see that we receive
good feedback and win long term relationship. Win-win business is what we pursue all the time.

Advantageous descriptions:
1. professional technical support + quality promise
2. CE ROHS FCC ISO9001 certificate
3. Alibaba + TUV assessment supplier approved
4. 2 year waranty + 1 set of spare part for free

Basic promise from Haisheng:
A: Full automatic production to control our high quality, best color consistency and get better performance.
B: Energy saving, low power consumption and long lifespan 100,000 hours (about 10 years).
C: We guarantee that the equipment we provide are brand new, complete and unused.
D: Good heat dissipation capability and high waterproof because of the unique design of vent fan (like shutter).
E: Our quality control throughout every process from materials-production- test-package-delivery

Our quality control system starts from materials to production, test to keep the stable performance of the whole

led display.

Firstly, our products use Epistar/Silan chip led with 2nm wave length error, better than market widely used

2.5nm wave length error. 

Secondly, we take automatical machine and labor two ways test in the production and test, we keep aging

test at least 72 hours.

Thirdly, for outdoor led display, we insist on flush water instead of flow water with the waterproof test