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Welcome to Shengzhou Trading Co., Ltd.!

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TESTING SERVICE

Testing

Using specified testing methods, we conduct inspections and tests on the technical performance indicators of eyewear, textiles, children’s toys, and related products. Across production, scientific research, experimentation, and service domains, we provide clients with real-time and non-real-time qualitative inspections and quantitative measurements, promptly capturing relevant information of tested objects to support quality assessment and compliance verification across various industries.​

Eyeglass inspection

Eyeglass inspection

12 Standard

8 Test

Standard PROJECT

Standard Item

GB39552 the standard of Chinese sunglasses series

ANSI Z80.3 American Sunglasses Standard Series

AS/NZS 1067 Australian/New Zealand sunglasses collection standard

ENISO 12312, EN ISO 16321, EN ISO18527, EN ISO 18526 EU eyewear product series standard

GB14214 Chinese glasses frame standard

EN ISO 12870 EU standard for eyeglass frames

GB 13511 China Reading Glasses/Prescription Mirror Series Standard

EN 14139 EU reading glasses standard

AS/NZS ISO 16034 Australian/New Zealand standard for reading glasses

ANSI Z80.31 American standard for reading glasses

GB 10810 Chinese Spectacle Lens Series Standard

ANSI/ISEA Z87.1 American standard for goggles

Test PROJECT

Test Item

Impact test

Evaluate the protection of spectacle lenses or frames against impact

Flame retardant test

Evaluate the safety of flame retardant properties of various eyewear products

Geometric optical testing

Evaluate the refractive properties of various eyewear products

Physical Optical Testing

Evaluate the light transmittance ratio and other properties of various eyewear products

Sweat corrosion test

Evaluate the corrosion resistance of spectacle frames to sweat

Fatigue resistance test

Evaluate the durability of the frame

Leak testing

To evaluate the water tightness of the swim goggle eye cup seal

Pressure test

Evaluate the pressure resistance of eyewear products
Textile testing

Textile testing

14 Standard

9 Test

Standard PROJECT

Standard Item

GB 31701 Technical specification for the safety of textiles for infants and children

GB 18401 National Technical Specification for Basic Safety of Textile Products

GB 30585 Technical specification for safety of children's shoes

GB/T 18885 Technical requirements for ecological textiles

GB/T 29862 Identification of fiber content in textiles

(EU) 2017/1392ECO EU Ecological Standard for Textile Products

OEKO-TEX100 2023 Ecological Textile Standard

AAFA-Restricted Substance List (RSL) The American Apparel and Footwear Association's list of restricted substances

HJ 507 Technical requirements for environmental labeling products Leather and synthetic leather

GB 20400 Leather and fur Hazardous substances are limited

QB/T 2955 休闲鞋

QB/T 1002 leather shoes

GB/T 2660 Murasugi

GB/T 2662 Cotton clothing

Test PROJECT

Test Item

Strength and ductility testing

​​Applicable to fabrics, fibers, and other textiles​

Durability testing

Surface durability evaluation under abrasion and wear conditions​

Dimensional stability test

Dimensional stability assessment at elevated temperatures​

Contraction or expansion test

Dimensional change testing across temperature variations​

Color fastness test

Color fastness evaluation against washing, rubbing, etc.​

Flame resistance test

Flame resistance assessment of textiles​

Water resistance test

Water penetration resistance & moisture permeability testing​

Fiber composition identification

Fiber composition identification in textiles​

Fiber quantity calculation

Fiber count calculation in yarns​
Inspection of toys and children's products

Inspection of toys and children's products

13 Standard

8 Test

Standard PROJECT

Standard Item

GB 6675 China Toy Safety Series Standard

ISO 8124 International Toy Safety Series Standard

EN 71 EU Toy Safety Series standard

ASTM F963 American Code for Safety in Toys

AS/NZS ISO 8124 Australian/New Zealand toy safety series standard

SOR-2011-17 Canadian Toy Regulations

GB/T 22048 Phthalate plasticizers

GB 19865 Safety of electric toys and their chargers

EN 62115 Electric toys - Technical specifications and test methods

IEC 62115 Electric toys - Technical specifications and test methods

BS 7272-1&2 Pen Cap & Pen Tip Safety Inspection

ISO 11540 Safety requirements for writing pens and marker caps for children

GB 21027 General requirements for the safety of student supplies

Test PROJECT

Test Item

Sound test

Toy Sound Level Compliance with Safety Standards​

Edge test

Safety of Toy Edges​

Sharp point test

Safety of Sharp Parts in Toys​

Oral toy blowing and suction test

Safety of Blow/Suck Components in Toys​

Kinetic energy test

Safety of Kinetic and Moving Parts in Toys​

Magnetic flux test

Assessment of Magnetic Field Strength in Toys​

Pen cap ventilation test

Ventilation Performance Evaluation of Pen Caps in Stationery Toys​

Pressure test

​​Insulation and Voltage Resistance Evaluation of Toys​
Headquarters Address​

6F, Guangchuan Building, No. 888 Shanghui Road, Ouhai District, Wenzhou City, Zhejiang Province, China

Branch Address​

155 Bulong Road, Shuijing Community, Jihua Street, Longgang District, Shenzhen, Guangdong Province, China

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