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Manufacturing Technique & QC

TOPPLA owns more than ten large-scale machines and can manufacture plastic toilet product with almos...

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Xiamen Toppla Material Technology Co., Ltd is a technology and innovation-based enterprise,  sp...

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TOPPLA portable toilet is strong and durable and has different kinds. Customers can choose the ...

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Installation Instructions of Valves (Part Two)

Installation of valves Valves must be installed carefully, and avoid hitting valves which are made o...

Installation Instructions of Valves (Part One)

Directions and positions of valve installation Many valves such as globe valves, throttle valves, re...

Basic Knowledge of Brass (Part Three)

Tin Brass Adding tin to brass can significantly improve heat resistance of the alloy, which can espe...

Knowledge of Sanitary Napkins (Part Three)

Structures of sanitary napkins include the surface layer, the absorbent core and the bottom layer, a...

Features and Applications of Rapid Prototyping Technology (Part Two)

Rapid prototyping technology can directly manufacture single parts, parts with small quantities and ...

Designs and Applications of Ball Valves of Submarine Pipelines (Part Two)

C. The diver operation When the water is not deep, the valve of the submarine pipeline is usually eq...

Corrosion Fatigue of Valves

The introduction of corrosion fatigue   1. The definition of corrosion fatigue Corrosion fatigu...