Shanghai YISIDI Co., Ltd. is a leading company focus on Clean Engineering, we provides system design, installation, testing and adjusting service, further more, we also sale cleanroom testing equipment and consumable, antistatic products. Our register capital was up to 6 million RMB and our manufacturer were based in Wuxi, jiangsu province. Rely on our experience engineer team and honest business principle, we can provide status-of-art design, excellent engineering management and satisfied service on Class 10 to Class 300K cleanroom which covers semiconductors, data storage, chemical and pharmaceutical industry or other special controlled environment.