Since its establishment, Zhengzhou Senma Self Control Valve Co., Ltd. has adhered to the quality policy of "relying on technology, strict management, and meticulous manufacturing", and implemented the principle of "quality is efficiency, and quality is the lifeblood of the enterprise". The product is widely used in industries such as power, petroleum, chemical, metallurgical, textile, oxygen production, pharmaceuticals, and water supply and drainage. The products include pneumatic butterfly valves, electric butterfly valves, liquid control butterfly valves, manual butterfly valves, ductile iron butterfly valves, cast steel butterfly valves, clamp butterfly valves, turbine butterfly valves, soft seal butterfly valves, PTFE lined butterfly valves, rubber lined butterfly valves, PTFE butterfly valves, stainless steel plate butterfly valves, acid and alkali resistant butterfly valves, hard seal butterfly valves, extended stem butterfly valves, ventilation butterfly valves, high vacuum butterfly valves, American standard butterfly valves, national standard butterfly valves, desulfurization butterfly valves, release butterfly valves, large-diameter butterfly valves, small-diameter butterfly valves, 2507 butterfly valves, 1.4529 butterfly valves, 2205 butterfly valves, wireless remote control butterfly valves, remote control electric butterfly valves, network control butterfly valves, remote control pneumatic butterfly valves, etc. High quality has won customers' praise and trust. Our company has established a comprehensive quality inspection organization, including a chemical analysis laboratory, a physics laboratory, a CAD assisted design center, and a metrology laboratory. In conjunction with the effective operation of the ISO9001 quality system, a comprehensive quality control network has been formed. Pursuing excellence and forging ahead are the foundation of Chengchuang Valve. Senma Self Control Valve is willing to sincerely cooperate with friends from all walks of life, work together, and compose a successful song.　　

Our company, Senma, adheres to the principle of "customer first, *", fully utilizes excellent working environment and advanced equipment strength, leverages high-quality technological strength and years of production practice experience, takes product quality as the lifeline, and provides customers with high-quality products and good after-sales service with a perfect organizational management structure and quality standard system. Our company hereby provides the following explanations regarding the quality, delivery time, quality assurance, and after-sales service of our valves:

Delivery time commitment

1. Our company will strictly deliver according to the time specified in the contract; If there are any issues with the on-site equipment storage of the customer, our company can use our own product warehouse as the customer's product warehouse to handle it. If the construction site requests a certain quantity of products, our company will deliver the required products to the customer's construction site within 4-72 hours (depending on the distance from our company). This not only facilitates on-site management for customers, but also greatly saves them on the capital occupation of goods storage. While customers are confident in our products, they feel that using our company's products is convenient and satisfactory.

2. After the products of our company are delivered to the customer's location, the customer should send someone to the site for inspection and sign for a receipt for our company to keep a record for future reference.

Service Commitment

1. The company provides first-class after-sales service to customers. If customers require technical assistance during the installation process, the company will dispatch after-sales service personnel free of charge to provide technical consulting services; If a customer encounters a problem during installation or use, the company will provide a technical response within 1 hour upon receiving notification, develop a service plan within 4 hours, and send personnel to the site within 4-7 hours.
   On site Service Schedule

   serial number	Technical service content	Number of planned personnel	Composition of dispatched personnel		remark
   			professional title	number of people
   1	Guide installation and use	1	engineer	1
   2	Usage and maintenance guidance	1	technician	1

2. On site service personnel have the following qualifications:

1. Comply with laws and regulations, adhere to the site and various rules and regulations.

2. Has a strong sense of responsibility and career ambition, and arrives on time.

3. Understand the design of contract equipment, be familiar with its structure, have on-site work experience with similar or identical equipment, and be able to carry out on-site work correctly.

4. Maintain good physical health and adapt to the working conditions on site.

3. If the customer believes that the on-site service personnel are incompetent, our company can replace them unconditionally.

quality assurance

1. Our company guarantees that the goods provided are brand new, unused, made of good materials and first-class craftsmanship, and meet the quality, specifications, and performance requirements specified in the contract in all aspects. The party guarantees that the goods have been correctly installed, operated and maintained, and will operate well during the service life of the goods. Responsible for any defects or malfunctions caused by design, process, or material defects during the specified quality assurance period.

2. Our company's warranty period for products is 12 months from the final inspection of the goods. During the warranty period, we provide three guarantees: repair, replacement, and return; The products provided by our company may experience valve failure due to quality issues such as material defects, poor manufacturing, and unreasonable design. Our company promises to replace them within the year and provide lifelong service. And regularly dispatch technical personnel to visit users and provide technical support.

technical training

Our company can provide first-class after-sales service to customers. Prior to equipment installation, our company will dispatch engineers to provide technical training for personnel involved in equipment installation, debugging, and usage.
Our company will notify relevant personnel in writing to attend training at * location (limited to domestic) before product shipment; Or, upon receiving a customer's training request, arrange for qualified training engineers to arrive at the training location within 48 hours (limited to domestic).
The purpose of providing technical training by our company is to ensure the safe and normal operation of the equipment provided. Our company will send qualified technical training engineers.

1. 5.1.1 Technical training personnel shall be familiar with the following contents:

1. The principle, structural characteristics, assembly process, and commissioning test items of valves;

2. Valve control device and control principle;

3. Transportation and installation precautions for valves, lifting, loading and unloading, and storage of important components;

4. The installation and disassembly process of valves on site and the main quality control points;

5. Operation, maintenance and upkeep of valves;

6. Valve fault diagnosis and handling methods;

7. The use and operation maintenance of valve fault detection devices (if any);

2. Technical training personnel have the following qualifications:

1. Comply with laws and regulations, adhere to the site and various rules and regulations.

2. Has a strong sense of responsibility and career ambition, and arrives on time.

3. Understand the design of contract equipment, be familiar with its structure, have on-site work experience with similar or identical equipment, and be able to carry out on-site work correctly.

4. Maintain good physical health and adapt to the working conditions on site.

5. If the customer believes that the technical training personnel are incompetent, our company can replace them unconditionally.

3. Technical Training Schedule

   serial number	Technical training content	Number of planned personnel	Composition of dispatched personnel		remark
   			professional title	number of people
   1	Structure and principle of valves	1	engineer	1
   2	Precautions for installation, commissioning, and use of valves	1	engineer	1
   3	The use of valves
   4	Principle of actuator structure	1	engineer	1
   5	Debugging and usage precautions for actuators	1	engineer	1
   6	Use and maintenance of actuators