HNA offers 5 different styles of valves & seats to fit your drilling needs, suiting to almost all popular mud pumps in the world.
The Stem Guided valve and seat and the Wing Guided valve and full ope…
HNA hardened liners offer economy in a liner that is made for normal to mildly corrosive mud conditions.These liners are hardened and heat treated under strict quality control to a minimum of 60 RC ha…
HNA offers chrome-plated liners made from premium forged steel with the core plated by chrome.The chrome-plated liners have hardening characteristics of 58 to 62 Rockwell C hardness.
HNA ceramic liners combine the strength of a forged steel outer shell with the abrasion and corrosion resistance of a ceramic inner sleeve. We provide Zirconia(ZrO3) Sleeves as well as Alumina(Al2O3.)…
HNA premium liners combine the strength of a forged steel outer shell with the abrasion and corrosion resistance of a high chromium iron inner sleeve. These liners feature a centrifugally cast high ch…
Series of Stainless steel trash bins/trash cans are the most popular goods in eorupe cause of the elegant design and to be competitive cost performance, this kind of products would applicable in house…
Shenzhen Marshallom Metal Manufacture was established in 1993. It is a Sino-Foreign joint venture for tin packing products with ISO9001:2000 certified. Now the company has registered capital of RMB 6.…
Shenzhen Marshallom Metal Manufacture was established in 1993. It is a Sino-Foreign joint venture for tin packing products with ISO9001:2000 certified. Now the company has registered capital of RMB 6.…
Shenzhen Marshallom Metal Manufacture was established in 1993. It is a Sino-Foreign joint venture for tin packing products with ISO9001:2000 certified. Now the company has registered capital of RMB 6.…
Our group is specializing in research and production of pump, so we mainly supply these pumps in our own design and manufacture. we can supply different kinds of pumps, just like centrifugal pump, axi…
●12V~24V DC
●life brushless pump,ideal life for 30000 hours
●Durable magnetic rotor and steelless shaft
●Low or no maintenance
●Submersible installatio…
Solar water pump system
Catalogue
Model Voltage
(V) Current
(mA) Power of
solar panels
(W) Pump head Start-up
circuit
Charge&discharge
circuit Battery Weight
(kg) Packing dimension
(mm) Le…
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea