China Fastener spring lock washer Manufacturers, Suppliers, Factory

Sleeve Anchor is a type of anchor that is primarily used to secure objects and fixtures to concrete, brick, or other materials. It is a versatile anchor that can be used in various applications, including electrical, plumbing, and construction.

Ring Washer is a type of washer that is commonly used in various applications, including electrical, mechanical, and automotive industries. It is a circular washer with a hole in the center and is designed to prevent loosening or distribute the load in the application. The ring washer can provide a secure grip and uniform load distribution when used in combination with a bolt or screw.

In mechanical engineering, building structures, and other industrial fields, threaded rods are an important fastener that is widely used in various connection and fixing occasions. According to the distribution of stainless steel threads, threaded rods can be divided into All Thread Stainless Steel Threaded Rod and half-threaded stainless steel threaded rods. There are significant differences between these two types of screws in terms of structure and application scenarios.

Global industrial purchasers prefer High Tensile Carbon Steel Hex Head Bolts Zinc Black Finish for long-term bulk cooperation thanks to balanced cost and reliable mechanical performance.

In March 2026, the management and production teams of Ningbo Gangtong Zheli Fasteners Co., Ltd. held a special quality improvement meeting at its 15,000 sqm factory in Zhenhai Chemical Industrial Zone, Ningbo, China. The event was launched to further enhance product stability and meet growing global demand for high‑strength structural fasteners. During the meeting, the team reviewed production processes, heat treatment controls, and inspection procedures, and finalized a new round of technical upgrades for heavy hex bolts, ASTM A563 nuts, and threaded rods. Led by senior engineers and production supervisors, the company will strengthen raw material testing and batch tracking to ensure full compliance with ASTM, ISO, DIN, and ANSI standards. This initiative aims to support stable delivery for overseas customers in North America, Europe, and the Middle East while strengthening the company’s reputation as a reliable China fastener supplier.

Concrete Screw is a type of screw specially designed for use in concrete or masonry materials. It is made of a hardened steel material that is stronger than regular screws and can withstand the tough conditions of concrete. Concrete screws are commonly used in construction and DIY projects, and they come in different sizes and types depending on the application. They are an important component in building and fixing structures made of concrete or masonry.