🌍 Haimen City Mingzhu Steel Ball Co., Ltd. Since 1992 ⭐ 34+ Year Industry Experience ✓ Verified Elite Supplier
📧 info@hmmzsteelball.com
✓ Verified Elite Supplier
Menu
Sep
2026

Ranked Bearing Steel Ball Options for High-Speed EV Rotary Applications

Ranked bearing steel ball options for high-speed EV rotary bearings: 52100/SUJ2 chrome steel G10-G1000 at HRC 60-66, G3-G25 precision balls, judged on fatigue life and IATF 16949 traceability.

2026-09-29 04:19:43

Check Details
Sep
2026

Ranked Stainless Steel Ball Options for Oil & Gas Valve Sealing (440C, 420C, 316, 304)

Ranked stainless steel balls for oil and gas valve sealing: 420C, 440C, 316 and 304 compared on hardness, corrosion, precision grade, cost and lead time.

2026-09-26 04:24:02

Check Details
Sep
2026

Hollow vs Drilled vs Machined Steel Balls for Valve and Fluid Control: A Buyer Comparison Guide

Compare hollow, drilled and machined steel balls for valve and fluid control: specification language, materials, MOQ, lead times, inspection and documentation.

2026-09-23 06:13:22

Check Details
Sep
2026

420C vs 440C Stainless Steel Balls for Valve and Pump Service

Compare 420C vs 440C stainless steel balls for valves and pumps: HRC 50–55 vs 58–62, grades G25–G1000 vs G10–G1000, plus documentation and lead times.

2026-09-20 04:21:05

Check Details
Sep
2026

Steel Balls: Types, Grades and China Sourcing Guide

A buyer's guide to steel balls: bearing, stainless, carbon, precision and custom types, G3-G1000 grades, specification documents, and step-by-step China sourcing checks.

2026-09-17 15:32:20

Check Details
Sep
2026

China Steel Ball Manufacturers for Industrial Sourcing: Steel Ball Types, Grades & Checks

How to evaluate China steel ball manufacturers: bearing, stainless, carbon and custom steel balls, ABMA/ISO grades, inspection documents, MOQ and lead times.

2026-09-17 15:32:08

Check Details
Sep
2026

Steel Balls: A Buyer's Guide to Materials, Grades & Sourcing

A buyer's guide to steel balls: material families, ABMA/ISO precision grades, diameters, hardness, custom drilled and hollow balls, and how to source from a China steel ball manufacturer.

2026-09-17 15:31:53

Check Details
Sep
2026

Steel Balls: Types, Specifications & China Sourcing Guide

Discovery guide to steel balls: types, materials, size ranges, ISO/ABMA grades, hardness and quality documents, plus how to evaluate a China steel ball manufacturer.

2026-09-17 15:31:40

Check Details
Sep
2026

Haimen City Mingzhu Steel Ball Co., Ltd.: China Steel Ball Manufacturer Profile for Industrial Sourcing

Company profile of Haimen City Mingzhu Steel Ball Co., Ltd., a China steel ball manufacturer founded in 1992: product range, materials, grades G3-G1000, IATF 16949 certification, capacity and OEM/ODM services.

2026-09-17 15:31:26

Check Details
Lastest