For regular products, our leading time is 2-10 business days at receipt of your payment.

For small package, we will send the products by FedEx, UPS and DHL.

SUPPLY SYSTEM (Selection of Supplier of Raw Material)

  • The supplies will be required to offer kinds of certificates and business license to prove they are legal and formal.

  • Sample will be sent to us for the first round of testing and checking

  • We will invite the official Third-Party of factory audition together with our company’s management to audit supplier’s capability and scale.


  • Our production carried out according to the standards of ISO14001, ISO9001.

  • Each production dept has a “Quality manual” as guidance to strictly guide their daily work.


  • Quality dept. we only hire the well-experienced staff.

  • They check the product starting with the raw material according to the AQL for the first round of inspection, if they find non-conformed raw material, QC has right to return raw material back to supplier and require them replace with conformed one.

  • For the second round that QC will select the finished goods still based on AQL to check the product performance and package with professional device and process.


Our warehouse particularly built for moisture resistance and damp resistance, the steel frame constructions make sure finished goods stocked without being damaged and spoiled


QA will randomly choose some pallets and carton to check the package BOX and products performance & functions according to AQL, then will take pics as records till confirming everything in good condition


We will follow up customers’ feedback and comments on each order firstly and check if anything we could help. If customers reflect on some issues they have, then we will:

  • Receive and collect the information and let customer send products pics / video for our reference and discussion

  • Meeting with leaders of production dept., technical dept, and sale dept., and talk about the solutions to the issues.


Surgeprotec Co., Ltd.

SPT (Surgeprotec Co., Ltd.) is a pioneering Korean company specializing in the development and production of surge protection devices.

Contact us

Surgeprotec Co., Ltd.   

ADD    :  616, 152 Beon-gil 40 Omokcheon-ro, 

Gwonseon-gu, Suwon-si, Gyeonggi-do, Republic of Korea

TEL     :  070-8656-6911
Email  :