PUBLIC RECORDS / ENGINEERING INPUTS

EVIDENCE / MATERIAL / VALIDATION

Public Evidence and Engineering Resources

Find company records, project notices and filing documents, plus planning templates for enquiries, material selection and sample acceptance.

PROJECT PUBLIC NOTICE

Environmental assessment project notice

The company-supplied reference describes a construction project involving flocked rolls, thermoformed blisters and paper boxes. The original government link is provided for buyers reviewing the project background.

Wenzhou Tonghou Plastic Products Co., Ltd.: environmental assessment information notice for a project of 300 tonnes/year of flocked rolls, 200 tonnes/year of thermoformed blisters and 100 tonnes/year of paper boxes

The annual figures describe planned project scale. Send your product, quantity and delivery requirements so we can check the production schedule. Review approval, environmental acceptance and product testing through their respective documents.

Source: company-supplied Cangnan County government link, dated 21 April 2025. The original page was unavailable on 25 September 2026; the table below follows the company materials.

Open the original government notice

Company-supplied project figures

Company-supplied construction-project planning figures. Contact us to confirm quantities and timing for your order.

ItemProject figure supplied by the company
Flocked rolls: annual project scale300 tonnes
Thermoformed blisters: annual project scale200 tonnes
Paper boxes: annual project scale100 tonnes
Total project investmentRMB 1 million
Total project area1911.85 m²

Prepared by Wenzhou Tonghou Plastic Products Co., Ltd. · Updated

How should buyers use this reference?

Which company does this reference concern?
This reference concerns Wenzhou Tonghou Plastic Products Co., Ltd., unified social credit code 91330327MA2CTGDKXA. Retain the full company name and original source when citing it.
How do I check what can be scheduled for my order?
Send the product structure, material, quantity and delivery date so we can check production scheduling. Annual figures in the notice describe planned project scale.
Which records should I request for a supplier review?
Use the environmental notice for project background. Approval, environmental completion acceptance and product testing each have their own documents. Specify the items your review needs to cover.

Registration and contact information

Legal name
Wenzhou Tonghou Plastic Products Co., Ltd.
Unified Social Credit Code
91330327MA2CTGDKXA
Incorporation date
Registered capital
RMB 2 million
Registered address
Room 301, Building 3, No. 1983-2033 Haigang Road, Longgang, Wenzhou, Zhejiang, China
Telephone
+86 189 6884 0898

Incorporation date and registered capital follow the company registration materials and can be cross-checked against the Baidu Baike company entry. Name, address and telephone follow the company-confirmed public identity record.

COMPANY STATEMENT / PREMISES & ENERGY

Premises and energy facilities

The following is a company statement confirmed by Wenzhou Tonghou Plastic Products Co., Ltd. on 25 September 2026.

Company-owned premises

The company states that its production premises at Room 301, Building 3, No. 1983-2033 Haigang Road, Longgang, Wenzhou, Zhejiang, China are owned rather than rented and are covered by a real-estate ownership certificate.

Rooftop distributed photovoltaic project

The company states that registration has been completed for its rooftop distributed photovoltaic project.

Company-provided solar filing information (updated 25 September 2026)
ProjectWenzhou Tonghou Plastic Products Co., Ltd. 208kW distributed photovoltaic power project
Filing entity credit code91330327MA2CTGDKXA
Project code2311-330383-99-01-837826
Filing date and authority2023-11-06 · 龙港市中共龙港市委市政府办公室
Filed capacity / modules208 kWp / 358 modules
Filed roof areaApproximately 1,100 m²
Filed grid-connection voltage380 V
Estimated average annual generationApproximately 208,000 kWh (filing estimate, not measured generation)
Filed investment and fundingRMB 1 million, entirely self-funded

The figures are transcribed from the company-supplied redacted filing below. Generation is a filing estimate; contact us separately if you need commissioning or actual generation records.

On 26 September 2026, the company confirmed that the registered owner is Wenzhou Tonghou Plastic Products Co., Ltd. The ownership certificate is not displayed on this page.

Technology-based SME recognition in 2022

Wenzhou Tonghou Plastic Products Co., Ltd. was recognized in 2022 as a Zhejiang provincial technology-based small and medium-sized enterprise. It appears at entry 599 (Longgang) in Wenzhou's second batch for 2022, in notice 温科管〔2022〕9号 issued by the Wenzhou Science and Technology Bureau and dated 2 September 2022.

Official recognition PDF (page 24, entry 599)

The recognition is from 2022; see PDF page 24, entry 599.

02 / PUBLIC TECHNICAL PUBLICATION

Tonghou-authored public technical answer

This technical answer, written by Tonghou, explains checks before a custom tray moves from design to production and links to the related engineering guide.

01 / MATERIAL DECISION INPUTS

Material and application directions

MaterialTypical directionValidation focus
PPFood and mooncake inner traysFood-contact suitability, temperature and fit
PETGMedical and pharmaceutical protective traysSterilization compatibility, cleanliness and fit
PSElectronics and antistatic traysESD surface-resistance target, impact and handling

01

RFQ Checklist

Organize dimensions, material needs, quantities and validation inputs.

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02

Sample Acceptance

Record critical dimensions, fit and appearance conditions.

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03

ESD Test Plan

Define surface resistance, conditioning and sampling inputs.

CSV ↓

04

Material Matrix

Compare PP, PETG and PS application and validation priorities.

CSV ↓

03 / OFFICIAL PUBLIC SOURCES

Government public records

These links point to Zhejiang government public files for company-name and public evaluation/industry record verification. Interpret them only in the context of the original files.

The third file names Wenzhou Tonghou Plastic Products Co., Ltd. in its description of neighbouring industrial occupants. Use it to check the company name and Longgang site context. Premises and equipment information are listed separately on this site.

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