What materials are used for the sprue bushings?

Most are made from steel with a base hardness of 43-45 HRc, while Performance series use copper alloy with a hardened 420 Stainless steel insert.

What is the hardness of the LN series sprue bushings?

The LN series has an additional surface treatment that brings the surface hardness up to about 60-62 HRc.

Plastic Feed Nozzle Injection Molding Nozzle Gate Sleeve

Name: Plastic Feed Nozzle Injection Molding Nozzle Gate Sleeve
Brand: Cungang Mold Fittings Co., Ltd.
SKU: 2204226145

Zhejiang, ChinaCungang Mold Fittings Co., Ltd.

US$1.80

10-99 Pieces

US$0.90

100-499 Pieces

US$0.54

500+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Warranty

12 Mon

Shaping Mode

Plastic Molding Die

Model NO.

standard

Surface Finish Process

Heat Treatment

Mould Cavity

Single Cavity

Plastic Material

TPE

Process Combination Type

Single-Process Mode

Application

Car, Household Appliances, Furniture, Commodity, Electronic, Home Use, Hardware

Runner

Hot Runner

Design Software

Installation

Mobile

Certification

TS16949, CE, ISO, FDA

Standard

MISUMI

Customized

After-sales Service

Remote Service

Color

Silver

Material

Bearing Steel

Product Name

Sprue Bush

Package

Plastic Bag + Carton Box

Size

Standard Non Standard

Transport Package

Customized Bags and Boxes

Specification

1mm-50mm

Trademark

Cungang

Origin

Zhejiang, China

HS Code

8480719090

Production Capacity

500000 Bag/Bags Per Year

Key features

Customization Options: Full, minor, and flexible customization available from samples or designs.

Fast Delivery: Delivery time ranges from 1 to 7 days for stock items.

Free Sample Availability: Free samples provided for bulk orders; express costs refundable after order.

High Hardness Materials: Steel base hardness 43-45 HRc; LN series treated to 60-62 HRc.

Quality Assurance: Strict QC system with 100% visual and function inspection before packing.

Wide Application: Suitable for cars, household appliances, furniture, electronics, and hardware.

Multiple Series Types: Available in A, B, U, UV, LN, AR, UR, L, and Performance series.

ISO and CE Certified: Factory certified with ISO9001:2015 and product certified with CE.

Company profile

Importers and ExportersCustomization from SamplesQA/QC InspectorsR&D Capabilities

Cungang Mold Fittings Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Ningbo portAverage Response Time: ≤4.01h

AI-Powered supplier vetting

SummaryCungang Mold Fittings Co., Ltd. is a China-based limited company established in 2014 with 63 employees and a valid import/export license. Its stated product scope covers mold accessories, mold materials, bench drill accessories, machine tool accessories, and guide-related mold parts. The supplier reports ISO9001:2015 and CE certifications, 3D software design services, broad customization options, 10 R&D engineers, and new product development during the past year. It has exported for 11 years, with exports representing 31%–40% of sales. Service procedures exist, but some areas lack documented records, including supplier service assessment and complaint handling. No cooperation with Fortune 500 companies is reported. Financial information is insufficient for a substantive credibility assessment.

Supplier typeThe supplier is a China-based limited company established in Zhejiang in 2014, with 63 employees and no stated parent-group affiliation. Its business focuses on mold accessories, mold materials, and related machine-tool products, and it holds an import/export license.

CertificationsThe supplier reports both ISO9001:2015 management-system certification and CE product certification. These certifications provide explicit evidence of quality-management and product-compliance credentials, although the supplied information does not specify the certified product scope or validity dates.

After-Sales capabilityThe supplier has a corrective and preventive action procedure with records, but its service-capability assessment procedure has no records and its customer-complaint procedure has no written records. This demonstrates some formal process capability while also identifying documentation weaknesses in complaint and service evaluation activities.

R&D capabilityThe supplier reports 10 R&D engineers and confirms that new products were launched during the past year. It also states that its R&D capability supports customization from samples and designs, minor customization, full customization, and flexible customization, indicating active product-development capacity.

Customization capabilityThe supplier explicitly provides 3D software design services and supports customization from samples, customization from designs, minor customization, full customization, and flexible customization. This is direct evidence of broad customization capability.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a manufacturer with our own mold parts and bushing factory, focusing on exporting for over ten years.

Q:How long is your delivery time?

Generally 1-25 days after order, depending on the quantity.

Q:Do you produce samples? Is it free or extra?

For standard products, we produce samples free of charge. Express costs are borne by the customer but can be returned after the order is placed.

Q:How do you ensure quality?

We produce according to confirmed technology or drawings, with a strict QC system including inspection during production and final inspection before packing.

Q:Do you serve customers with small orders?

Yes, we are glad to work with customers of all sizes, big or small, to grow together.