EKSMA Optics, UAB

DHS INTERNATIONAL CO.,LIMITED

WIN RING TECHNOLOGY LIMITED

RET TECHNOLOGY CO., LIMITED

MICRO-NANO (HONGKONG) TECHNLOGY CO., LIMITED

Surise Innovation Co.,Limited

WSI(HONGKONG)TECHNOLOGY TRADING LIMITED

Titan Electro-Optics(Hong Kong)Co., Limited

RAITH B.V.

Renishaw （HongKong） LTD.

FARO Singapore Pte. Ltd

SIDE SEMICONDUCTOR TECHNOLOGIES (H.K.)LIMITED

MTS SYSTEMS CORPORATION

HIFORSUN TECHNOLOGY LIMITED

Gaia Science Pte Ltd

Oxford Instruments NanoAnalysis

Luva System Inc

FARO Singapore Pte. Ltd.

TECHCOMP LIMITED

Yuen Sing Technology (Hong Kong) Limited

Protein Metrics Inc.

DONGBIN INTERNATIONAL LIMITED

RAYSCIENCE INNOVATION LIMITED

TRUE LIGHT TECHNOLOGY CO., LIMITED

Thorlabs, Inc

CHARLES SCIENTIFIC PTE. LTD.

HK CARLSON INDUSTRY CO., LIMITED

JEOL Ltd.

HONGKONG FOR-BETTER TRADING CO., LIMITED

Sea Shine International Trading Co., Limited

CHEMGENE TECHNOLOGY LIMITED

HUA YUE INNOVATIONS (HK)CO.,LIMITED

HONGKONG GUANGHONG INTERNATIONAL TRADING CO.,LIMITED

BEXCELLENT BUSINESS AND TECHNOLOGY CO.,LIMITED

MA QING

CHEN YA PING

CHANG YUN LONG

Sojitz Corporation

TRUE LIGHT TECHNOLOGY CO LIMITED