JSD is a third-party quality and engineering services company. We provide a wide variety of pre-shipment inspection, container loading supervision, factory audit, and quality assurance testing with our professional knowledge and technical skill.

Our customized solutions are tailored to help ensure products comply with industry standards, are produced to client specifications and meet consumer expectations.

As an independent third-party quality assurance firm, JSD just as your own function extension of Quality Assurance and Technical teams in China, we always consult advice and work with our clients.

JSD is an Hong Kong company headquartered in Hong Kong. Our operation centers in Dongguan and Shenzhen of China coordinates all our inspections. We are able to send an inspector anywhere in China in your factory within 48Hr and return to you an inspection or audit report within 24Hr.

Our company sticks to the principle of " Fair / Integrity / Honesty / Scientific / Cautious". We are neither a trading company, nor an agent. We are fully dedicated to QUALTIY CONTROL SERVICES and we represent our clients only.