buy children s play equipment Description:

(1) See the applicable age ranges. The age range of toys in general will be marked in the instructions of the toys to buy based on the child s age. It mainly has two meanings: first, children s play equipment itself is designed for the ages of the children; second use of the product, not the children of this age potentially dangerous.childrens play equipment
(2) to see security warnings. Toy implied risk plant will be made through warnings reminder. Such as opening the packaging, packaging plastic bags for disposal. Non-life-saving supplies can only be used in shallow water, does not apply to children under 3 years old. Purchase and use of the toy, be sure to carefully read th e warnings to avoid misuse of the dangers of toys.
(3) to see the effective date. Some products are specified period, to avoid the use of expired products.
(4) to see use. Complex toys, such as children s bicycles, walkers, computer learning machine, imported children s play facilities should have detailed the use of methods and precautions. The purchase should pay attention to this point.
(5) to see the assembly program. Assembling toys, whether self-assembly should be assembled by an adult or child assembly process diagram. the trackless train

 

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Control valves industrial production in China started late. Single-seat valves, seat valves and other products, mainly in the 1960s started to develop

Imitation products of the former Soviet Union. Machinery Industry backward machining accuracy is low, therefore, a larger amount of leakage, but still meet the

General industrial production process control requirements. 1970s, with the expansion of the scale of industrial production, industrial process control requirements

The improvement of some of the control valve products can not meet the requirements of the production process control, such as high pressure, high pressure drop, low temperature, high temperature

Requirements and corrosion media control. To this end, a number of large-scale petrochemical enterprises in the introduction of equipment at the same time, the introduction of a number of control

Example, with a balanced spool valve sleeve valve, eccentric rotary valve, control valve manufacturers pointed out the development direction. Thereforemini solenoid valve

The late 1970s, some factories have begun imitation eccentric rotary valve products such as o 80 s, as China s ref orm and opening up policy

Follow-up and implementation of some of the control valve manufacturer to introduce technologies and products of famous foreign control valve manufacturers, so that the control valve products in China

The variety and quality has been significantly improved. For example, to produce the types of sleeve valve eccentric rotary valve, and started to develop a small fine

Control valve. With the large power plants and other industrial projects, carried out, and also developed a variety of electro-hydraulic actuator, long actuators executive

Line agencies, in order to adapt to the requirements of large thrust and push torque, long stroke control. 90s, the control valve industry in China is also cited

Intake and digestion of foreign advanced technology rapid development, the production of the joint venture and foreign control valve production plant Consecutive Features

Products to fill some of the special industrial control blank, the control valve industry in China has greatly improved, shortening the gap with foreign countries

. With the application of fieldbus technology in the 2l century, the advent of fieldbus technology control valve products, some foreign site

Bus control valves and related products, such as smart valve positioner to start domestic new construction domestic

Some manufacturers have begun to develop the product.pneumatic auto drain