Contact us

CompanyName: Hong Kong KingZheng Opto-Tech Co., Ltd

TEL: +86 (0)755 29400300

Fax: +86 (0)755 27751213

Add: 6# building, Huafeng Zhenbao LED Industrial Park, Beihuan Road, Shiyan Street, Bao’an District, Shenzhen, China




1. What are the advantages of LEDs compared with conventional incandescent lights?

A: the advantages are as below,

a. Low power consumption - energy saving,
      b. Long lasting,
      c. Cold lighting,
      d. Ruggedness,
      e. Small size and weight,
      f.  Fast switch times,
      g. Simple to use. 


2. What is the davantages of our products?

A: we have 5-year experience in manufacturing LED products, all of our team members are professional. We place high attention on quality: for LED source, we only use big brand LED chip as Epsitar, bridgelux, Edison, CREE and ect; as for the driver, we use rubycon capacitor, which ensures the stable quality and long lifetime. We pay more focus on the production techniqes, aging testing, quality control and packaging...


3. What type of warranty are you offering?

A: 2 years on all LED products, and other terms can be negotiated with clients per their request


4. How about your price?

A: Compared with the market, our price is more competitive based on the same quality.


5. How about your lead time?

A: The lead time is 7-10 days for common order and 15-25 days for lot production.


6.  How to get our samples?

A: We would say sorry that we are not able to provide samples for free, you are welcome to buy our products for testing. But for some special products as flexible strips, we may consider to send some free smaples to you via your DHL/UPS pay account.


7. Any discount available for big quantity order?

A: The price of our LED lighting products could be negotiable if you have big quantity order or some projects in hand.


8. Could I have my own logo on the products?

A: OEM is negotiable with large quantity with us, and we can print the lables on the products per your request.


9. What are your payment terms?

A: We accept TT, and Western Union for small amount of money.


10. How about your customer service?

A: see the below picture


11. How do you send the goods in small quantity?

A: we cooperate with international express company as EMS, FedEx, DHL, UPS and TNT