What are the lead times for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What are the main applications for these balls?

They are suitable for ball valves, precision bearings, instruments, pumps, and laboratory equipment.

90.5hra Diameter 0.3mm Polished Miro Tungsten Carbide Pen Balls

Name: 90.5hra Diameter 0.3mm Polished Miro Tungsten Carbide Pen Balls
Brand: Zhuzhou Up Cemented Carbide Co., Ltd.
SKU: 917746205

Hunan, ChinaZhuzhou Up Cemented Carbide Co., Ltd.

US$0.002

10,000-99,999 Pieces

US$0.0015

100,000-999,999 Pieces

US$0.001

1,000,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Usage

Use in Ball Valve

Diameter

0.3mm

Model NO.

diameter 0.3mm

Surface

G10 Polished

Grade

Yg6

Co

Wc

94%

Density

14.9g/cm3

Hardness

90.5hra

Transport Package

Individual Package

Specification

YG6/K10

Trademark

ZZUP

Origin

Zhuzhou Hunan

HS Code

8209001000

Production Capacity

1000000

Key features

High Hardness Material: Features 90.5 HRA hardness with YG6 grade composition for superior durability.

Precision Polished Surface: G10 polished finish ensures smooth operation in precision applications.

Wide Diameter Range: Over 100 diameter sizes available from 0.3mm to 90.0mm for diverse needs.

Customizable Sizes and Shape: Product sizes and shapes can be customized to meet specific requirements.

Large Stock Availability: 1,000,000 pieces of 0.3mm balls currently in stock for immediate delivery.

Versatile Application Scope: Suitable for valves, bearings, instruments, pumps, and laboratory equipment.

Multiple Grade Options: Available in YG10X, YG6X, YG8, YG6, and YN6 grades with varying properties.

Fast Off-Season Delivery: Lead time within 15 workdays during off-peak seasons.

Company profile

Zhuzhou Up Cemented Carbide Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-25Nearest Port: Guangzhou, Shanghai, NingboAverage Response Time: ≤11.55hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW

AI-Powered supplier vetting

SummaryZhuzhou Up Cemented Carbide Co., Ltd. is identified as a China-based limited company and manufacturer/factory in Hunan, with products focused on tungsten carbide components and related materials. The supplier reports ISO 9000 and ISO 9001 certifications, six production lines, 41–50 years of combined R&D engineer experience, and 11–20 quality-control staff. It serves multiple international markets and derives 71%–90% of sales from exports. The supplier states that it can provide quality products and services, but the available information does not establish detailed after-sales procedures, customization capabilities, financial strength, or a substantial customer track record. Trade data shows one recorded transaction involving a Ukrainian buyer, which is limited evidence of commercial activity.

Supplier typeThe supplier is explicitly described as a manufacturer/factory and trading company, legally organized as a limited company in Zhuzhou, Hunan, China. Its stated business identity and address are consistent across the provided records.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 supplier management system certifications. These are explicit certifications relevant to quality-management practices, although no certificate scope, issuing body, or validity period is provided.

R&D capabilityThe supplier describes advanced alloy production technology and reports 41–50 years of total R&D engineer experience. This supports an R&D and technical capability, but there is no evidence of patents, new-product development, dedicated R&D facilities, or documented innovations.

Production capacityThe supplier is identified as a factory/manufacturer with rich production and processing experience, six production lines, 11–20 quality-control staff, and a broad range of tungsten carbide products. Reported lead times are within 15 working days off-season and one month during peak season, indicating stated production and fulfillment capacity.