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Drawing Compass and 6 Inch Protractor, Student Geometry Math Set Plastic Protractor Math Protractors 180 Degrees for Geometry Classroom Student School Office
US$1.00
100-499 Pieces
US$0.95
500-999 Pieces
US$0.80
1,000+ Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Plastic AluminumRuler Type
Scale RulerSize
30cm/45cm/60cm/80cm/90cm/100cm/120cmUsage
Drawing, Engineering Drawing, MeasurementWeight Per Box
19kg/7.7kg/9.5kg/12kg/12.5kg/16.5kg/19kgColors
Transparent ColorPackage
Carton PackingTransport Package
BoxSpecification
17.5x9.5cm; 14.5cm*9cmTrademark
HTOrigin
ChinaProduction Capacity
50000pieces/YearKey features
Diverse Size Options: Available in 30cm, 45cm, 60cm, 80cm, 90cm, 100cm, and 120cm lengths.
Premium ABS Material: Constructed from durable ABS plastic with 2mm thickness for longevity.
Transparent Design: Features a clear transparent color for precise alignment during drawing.
Multi-Function Set: Includes 180-degree protractor, 30cm ruler, 18cm square, and 13cm square.
ISO9001 Certified: Factory passed ISO9001 certification ensuring strict quality standards.
Pre-Production Sampling: Provides a pre-production sample before mass production begins.
Global Shipping Terms: Accepts FOB, CFR, CIF, EXW, and various other international delivery terms.
Flexible Payment Methods: Supports T/T, L/C, Credit Card, PayPal, Western Union, and Cash.
Company profile

Changsha Hetong Technology Co., Ltd.Hunan, China
Business Type: Manufacturer/FactoryExport Year: 2020-09-10Nearest Port: shenzhenAverage Response Time: ≤11.58hTerms of Payment: T/T, Western Union, PayPalInternational Commercial Terms(Incoterms): EXW, FOB
AI-Powered supplier vetting
SummaryChangsha Hetong Technology Co., Ltd. is a China-based manufacturer/factory founded in 2020, integrating R&D, design, production, and sales of stationery products. It offers writing instruments, paper products, notebooks, office and student supplies, and creative or gift stationery. The supplier reports multiple management certifications, including ISO 9001, ISO 14001, ISO 13485, ISO 50001, BSCI, SEDEX, HACCP, and others. It states that 4% of revenue is invested annually in R&D, that it holds multiple national patents, and that it has 21–30 years of cumulative R&D engineer experience. Operationally, it reports five production lines, 50 quality-control staff, broad export coverage, a peak-season fulfillment time of one month, and an off-peak lead time within 15 working days. Evidence is insufficient to assess after-sales service, financial credibility, and specific customer cases.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and as a limited company headquartered in Changsha, Hunan, China. Its stated business model integrates R&D, design, production, and sales, supporting classification as a manufacturing supplier rather than only a trading company.
CertificationsThe supplier reports a broad set of certifications and management-system credentials, including ISO 9001, ISO 14001, ISO 50001, ISO 13485, BSCI, SEDEX, HACCP, and other ISO standards. ISO 9001 is specifically linked to quality-control practices, including raw-material selection and production standards.
R&D capabilityThe supplier states that it invests 4% of revenue annually in R&D, holds multiple national patents, and integrates R&D and design into its operations. The reported cumulative R&D engineer experience of 21–30 years further supports an innovation capability, although no specific patent titles or new-product performance data are provided.
Production capacityThe supplier presents a broad stationery portfolio and reports five production lines, 50 quality-control staff, exports to multiple global regions, off-peak lead times within 15 working days, and peak-season fulfillment within one month. These stated resources and delivery metrics support production capability, though product-specific capacity data is not provided.
Customization capabilityThe supplier explicitly offers co-branded collections and corporate custom gifts within its creative and gift stationery business. This directly supports customization capability, although the scope of customization options, minimum order quantities, and development process are not specified.
Product Q&A
Q:What materials are used for the ruler set?
A:
The set is made of high-quality ABS plastic with a thickness of 2mm.
Q:What sizes are available for the ruler?
A:
We offer sizes ranging from 30cm to 120cm, including 30cm, 45cm, 60cm, 80cm, 90cm, 100cm, and 120cm.
Q:What is the lead time for orders?
A:
During peak season, the lead time is one month. In the off-season, it is within 15 workdays.
Q:Do you provide quality guarantees?
A:
Yes, we always provide a pre-production sample before mass production and conduct a final inspection before shipment.
Q:What payment methods do you accept?
A:
We accept USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF, T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, and Escrow.
Send Inquiry
*To:
Changsha Hetong Technology Co., Ltd.
Changsha Hetong Technology Co., Ltd.*Content:
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