What standards does it comply with?

It meets IEC, ISO, and brand-specific test protocols.

What is the lead time for production?

The average lead time is one month for both peak and off-season.

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer).

En13819 En352 Earmuff Cup Rotation Tester Hearing Protectors Sealing Test Machine

Name: En13819 En352 Earmuff Cup Rotation Tester Hearing Protectors Sealing Test Machine
Brand: Dongguan Hong Tu Instrument Co., Ltd.
SKU: 2228876785

Guangdong, ChinaDongguan Hong Tu Instrument Co., Ltd.

US$1,500.00-2,500.00

1 Piece

Product profile

After-sales Service

Long Time

Warranty

1year

Customiziton

Size, Program

Model NO.

HTHP-02

Application

Test Machine

Product Name

Earmuff Cup Rotation Test Machine

Keyword

Earmuff Test Machine

Test Speed

5-30 Times Per Minute

Power Supply

AC220V,50Hz

Transport Package

Wooden Box

Specification

450*410*740mm

Trademark

hototech

Origin

China

HS Code

9031809090

Production Capacity

10000pics/Year

Key features

Dual Independent Control: Supports independent or simultaneous operation of left and right earbuds for versatile testing.

Precise Stepper Motor: Delivers precise positioning, smooth output, low noise, and exceptional durability.

Real-Time Torque Display: Shows instantaneous force and peak torque values for both left and right channels.

Customizable Size & Program: Size and program are customizable to meet specific testing requirements.

1-Year Global Warranty: Includes free software updates and a 1-year global warranty for peace of mind.

Touch Screen Operation: Intuitive interface allows direct adjustment of angle, frequency, and speed.

Wide Adjustable Range: Reversing angle 0-90 degrees and center distance 120-280mm are adjustable.

Cost-Efficient Design: Reduces returns and warranty claims by identifying design flaws early in R&D.

Company profile

Dongguan Hong Tu Instrument Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading CompanyExport Year: 2009-05-26 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤4.77h CertifiedTerms of Payment: LC, T/T CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryDongguan Hong Tu Instrument Co., Ltd. is a China-based limited company established in 2009, with a Hubei factory and Guangdong office. It focuses on photovoltaic laboratory testing equipment and reports more than 10 years of sector experience, ISO9001:2015 certification, intellectual-property-related certifications, product CE certification, patents, and participation in photovoltaic standardization activities. The supplier reports more than 10 production lines, 6–10 quality-control staff, annual output of 1,000 testing machines and 200 test chambers, and one-month lead times in both peak and off-peak seasons. It states cooperation with major photovoltaic companies and laboratories, but the provided material does not independently verify these relationships. Evidence is insufficient to assess financial credibility, customization capability, or after-sales execution in detail.

Supplier typeThe supplier is identified as Dongguan Hong Tu Instrument Co., Ltd., a Chinese limited company with a Guangdong office and Hubei factory. Its stated business combines R&D, production, and sales of photovoltaic laboratory testing equipment, although one record classifies the company nature as a trading company.

CertificationsThe supplier explicitly reports ISO9001:2015 certification, intellectual property management system certification, high-tech enterprise qualification, product CE certification, patents, and equipment/software copyright certifications. These records support established quality and product-compliance systems, though certificate validity and scope are not independently shown.

R&D capabilityThe supplier describes more than ten years of photovoltaic laboratory equipment R&D and production experience, a strong R&D team, multiple invention and utility-model patents, software copyrights, and participation in national photovoltaic standardization work. These are explicit indicators of technical and industry-development capability.

Production capacityThe supplier reports a Hubei factory, a 1,153 m² manufacturing plant, more than 10 production lines, 6–10 quality-control staff, annual output of 1,000 testing machines and 200 test chambers, and one-month peak and off-peak lead times. These stated figures support meaningful production capacity, although independent verification is not provided.

Client casesThe supplier lists cooperation with major photovoltaic groups and laboratories, including Longi, Jinko, JA Solar, Trina Solar, CSI, CATL, KACST, IRESEN, SERIS, CISR, CSSC, and Intertek. These named organizations indicate reported industry exposure, but the slices do not provide project details, purchase scope, dates, references, or independent verification.