About Us-Manufacturer of Water Control Valves

Company Profile

A valve manufacturer integrating R&D, casting, machining, and sales, serving industries such as petroleum, chemicals, and power generation

Naisifu Valve Manufacturing (Quanzhou) Co., Ltd.

Naisifu Valve Manufacturing (Quanzhou) Co., Ltd. is an emerging company in the valve industry that integrates the research and development, manufacturing, sales, and service of fluid equipment.

The company primarily researches, develops, and manufactures ball valves, butterfly valves, gate valves, globe valves, check valves, filters, hydraulic control valves, safety valves, pressure-reducing valves, breather valves, control valves, pneumatic valves, electric valves, and more.

The products are primarily used in the following sectors: heating, water diversion, municipal water supply and drainage, wastewater treatment, environmental protection, power generation, petroleum, chemical processing, building systems, marine applications, pharmaceuticals, metallurgy, and fire protection.

Products Contact Us

Comprehensive System, High-Quality Service

Ensuring quality through a robust system and warming our customers’ hearts with exceptional service

Pre-Sales Service

We strive to be our clients' trusted advisors and partners, ensuring that every investment yields a substantial return.

In-Process Service

Respect our customers; provide them with peace of mind, convenience, and pleasant surprises; and strive to enhance their overall value.

After-Sales Service

Enhance overall customer value and give customers peace of mind.

Service Management System

With our high-quality service, we earn our customers' trust and confidence through sincerity and dedication.

Service Guarantee

One-on-one technical support, providing full assistance from contract signing through to system launch

We determine the model and specifications of valves based on the customer’s actual needs. We can also design and customize valves according to specific customer requirements, provide a valve design process, and manufacture valves that meet the customer’s specifications. Additionally, we can train the customer’s technical staff to ensure they acquire the necessary technical knowledge and valve maintenance skills. We provide technical consulting for new, specialized, or challenging engineering projects and develop appropriate construction plans.

Throughout the sales process, we closely monitor the production process to ensure product quality while minimizing production lead times, and we pay close attention to product inspection and acceptance. We assist customers in designing construction plans, striving to ensure they are both practical and cost-effective.

We assist customers in developing their initial implementation plans, provide guidance on installation and commissioning until successful operation is achieved, and train operators until customers are fully capable of managing production independently. We offer prompt and proactive after-sales support, including on-site troubleshooting and door-to-door delivery of warranty replacement parts.